2004 Avanti II Engine Parts

Essential Engine Parts for 2004 Avanti IIs

Felpro – Engine Coolant Crossover Pipe Mounting Set (Part No.ES 73027)

Engine Coolant Crossover Pipe Mounting Set

from

$20.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design for Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Quality that you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Melling – Engine Oil Priming Tool (Part No.MPL-201)

Engine Oil Priming Tool

from

$355.99
Made In USA. Melling Engine Oil Priming Tank was developed as a way for engine builders to safely pre-prime the engine with oil prior to initial engine startup. The priming tank, when filled with clean oil and air pressure pumps oil into all of the critical areas of the new engine quickly and safely.
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Competition Cams – Magnum/Drag Race 244/244 Hydraulic Flat Cam (Part No.12-213-3)

Magnum/Drag Race 244/244 Hydraulic Flat Cam

from

$258.99
HYDRAULIC – Magnum: Street/strip special, 3000 stall, headers, gears, 9.5:1+ compression. Very rough idle. OR Drag Race: 3000+ stall in heavy car with 10:1+ compression.

Product Features:
  • HYDRAULIC – Magnum: Street/strip special, 3000 stall, headers, gears, 9.5:1+ compression. Very rough idle. OR Drag Race: 3000+ stall in heavy car with 10:1+ compression.
  • 292/292 Advertised Duration, 244/244 Duration @ .050″, .501″/.501″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
  • Can be used with mild ratio rocker arms and traditional performance valve springs.
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Competition Cams – LIFTERS, LS SERIES OE STYLE HYD RLR 1 ST (Part No.850-16)

LIFTERS, LS SERIES OE STYLE HYD RLR 1 ST

from

$288.99
COMP Cams Hydraulic Roller Lifters are a performance upgrade for stock hydraulic roller lifters or retro-fit hydraulic roller lifters for non-roller blocks. The roller wheel decreases friction and increases longevity when compared to flat tappet lifters. Hydraulic roller lifters can handle much more aggressive cam profiles than flat tappets unlocking performance potential.

Product Features:
  • .842″ diameter; 122g weight; 2.66″ seat height
  • Performance replacement for stock hydraulic roller lifters or retro-fit hydraulic roller lifters for non-roller blocks
  • Decrease friction and increase longevity when directly compared to flat tappet lifters
  • Accept much more aggressive cam profiles than flat tappet lifters will allow
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Edelbrock – E-Tec-200 Small-Block Chevy Cylinder Head Hydraulic Flat Tappet Cam (Part No.60989)

E-Tec-200 Small-Block Chevy Cylinder Head Hydraulic Flat Tappet Cam

from

$936.99
Product Features:
  • 64cc combustion chamber with 200cc intake runner
  • 2.02 in. intake and 1.60 in. exhaust valves
  • Flat Tappet Camshaft Type
  • Exhaust And Intake 45 Degree Seat Angle
  • Sold as one complete head
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Melling Select Performance – High Performance High Pressure Cast Aluminum Oil Pump (Part No.10295)

High Performance High Pressure Cast Aluminum Oil Pump

from

$164.99
Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling 10295 high performance oil pump is a high pressure, standard volume upgrade of the M295. The cast aluminum housing is CNC machined and hardcoat anodized. The cast iron cover is CNC machined and phosphate coated for improved pump performance and durability. The relief valve features a screw in valve plug with the optional lower stock pressure spring supplied. The oil pump and screen seals are included. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.

Product Features:
  • 10% Higher pressure high performance upgrade of the M295
  • Die cast aluminum housing
  • Cast iron cover
  • Standard replacement steel rotors
  • Adjustable pressure relief valve
  • Includes original stock replacement pressure spring; not installed
  • Uses 7/8 inch diameter bolt on screen
  • Includes oil pump and oil pump screen mounting o-ring seals
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Felpro – Engine Conversion Gasket Set (Part No.CS 9284)

Engine Conversion Gasket Set

from

$217.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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Edelbrock – Gen III LS1 Head Bolt Kit (Part No.8596)

Gen III LS1 Head Bolt Kit

from

$465.99
Product Features:
  • Highest Quality Head Bolts
  • Cold-Formed/Heat Treated
  • Ensures Molecular Integrity
  • Reduced Diameter Bolt Heads
  • Hardened/Parallel-Ground Washers Included
  • Rated At 170000 psi
  • Manufactured By ARP
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50504 R-1)

Engine Valve Cover Gasket Set

from

$37.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
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National – Engine Crankshaft Seal Kit (Part No.5274A)

Engine Crankshaft Seal Kit

from

$22.79
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Design type: springless; multi-lip
  • Temperature range: -100 Deg. F to 450 Deg. F / -73 Deg. C to 232 Deg.
  • Excellent dry running capabilities
  • Low coefficient of friction
  • Delivers quality and reliable performance for every type of repair
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Felpro – Engine Oil Cooler Gasket (Part No.72435)

Engine Oil Cooler Gasket

from

$6.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
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Melling – Stock Replacement Engine Assembly Lubricant (Part No.M-10012G)

Stock Replacement Engine Assembly Lubricant

from

$113.99
Product Features:
  • Superior Wear Protection – Formulated with extreme pressure additives to protect engine components from metal-to-metal contact during initial startup
  • High Tackiness – Stays in place during assembly and storage, ensuring consistent lubrication exactly where it’s needed
  • Broad Compatibility – Safe for use with all engine components including camshafts, lifters, bearings, and valve train parts
  • Easy Startup Support – Reduces friction and prevents dry starts by providing instant lubrication during first engine fire-up
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Felpro – Engine Oil Pan Gasket Set – Blue Stripe cork-rubber (Part No.OS 5197 C-2)

Engine Oil Pan Gasket Set - Blue Stripe cork-rubber

from

$43.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • ENGINEERING EXPERTISE – Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development
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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72527)

Engine Valve Stem Oil Seal Set

from

$22.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • RIGHT TYPE – Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
  • QUALITY MATERIALS – Each valve stem seal features materials based on the specific application for your vehicle repair
  • ENGINEERING EXPERTISE – Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
  • INSTALLATION AID – Installation tool included to protect inner lip of seal from damage during seal installation
  • COVERAGE – Available for domestic and foreign nameplate vehicles
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Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 8364 PT-3)

PermaTorque Engine Cylinder Head Gasket Set

from

$73.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Carquest – Crankshaft Sensor (Part No.35C1008)

Crankshaft Sensor

from

$71.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • 100% testing to meet OE performance
  • High temperature resistance for longer life
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Felpro – Engine Crankshaft Repair Sleeve Tool (Part No.16329)

Engine Crankshaft Repair Sleeve Tool

from

$48.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Felpro – Severe Duty Engine Cylinder Head Gasket (Part No.501 SD)

Severe Duty Engine Cylinder Head Gasket

from

$42.99
Product Features:
  • DESIGNED FOR THE TOUGHEST CONDITIONS – Engineered for hardworking vehicles that operate in severe conditions
  • STRONG AND DURABLE – Severe duty steel core gaskets designed slightly thicker to accommodate for machined surfaces
  • PREMIUM MATERIALS – High-grade stainless armor enhances strength and corrosion resistance while proprietary coatings enhance sealing and anti-stick properties
  • SUPERIOR SEAL – Precise embossed Printo seal sealing beads at all vital areas to eliminate leak paths
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Carquest Premium – Camshaft Sensor (Part No.CSC1064)

Camshaft Sensor

from

$63.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments.

Product Features:
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
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Felpro – Engine Camshaft Thrust Plate (Part No.ES 73115)

Engine Camshaft Thrust Plate

from

$42.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Felpro – Engine Timing Cover Gasket Set (Part No.TCS 5124-1)

Engine Timing Cover Gasket Set

from

$26.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Felpro – Engine Valve Cover Grommet Set (Part No.ES 72233)

Engine Valve Cover Grommet Set

from

$22.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Felpro – Multi-Purpose O-Ring (Part No.35633)

Multi-Purpose O-Ring

from

$3.29
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – Engine Lifter Valley Cover Gasket Set (Part No.MS 92465)

Engine Lifter Valley Cover Gasket Set

from

$42.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Includes all parts needed to complete the repair
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Felpro – Engine Oil Filler Cap Seal (Part No.73193)

Engine Oil Filler Cap Seal

from

$5.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Melling Select Performance – High Performance Oil Pump (Part No.M29500)

High Performance Oil Pump

from

$29.99
High Performance Oil Pump

Felpro – Multi-Purpose O-Ring (Part No.72401)

Multi-Purpose O-Ring

from

$6.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Melling – Engine Oil Strainer Gasket Set (Part No.M29517)

Engine Oil Strainer Gasket Set

from

$3.99
Made In USA. Installing an oil pump screen can often cause damage to the protective gaskets and O Rings if the screen assembly is not properly installed. In the event that the original seals are damaged or accidently discarded Melling offers a replacement gasket set for oil pump screen installations covering the LS oil pumps. Each package conveniently contains both replacement O Rings needed to complete the oil pump screen installation. These gasket sets can be used for the M295, M295HV, M355, M365, 10295, 10296 and 10355 oil pumps.
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Upgrade your 2004 Avanti II with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 2004 Avanti II, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Avanti or enhancing its overall performance, Engine Parts are key to keeping your II functioning at its best. At Advance Auto Parts, we offer a wide selection of 54 Engine Parts for the 2004 Avanti II, designed to meet your needs without breaking the bank. From Camshaft replacements to Engine Switches, Sensors and Relays upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 2004 Avanti II at great prices. Our Engine Parts inventory for this model ranges from just $3.29 to $567.99, with an average price of $124.73. Our 54 Engine Parts in stock come from 13 trusted brands, so you’re sure to find the right part for your 2004 Avanti II without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2004 Avanti II, we stock popular OEM and aftermarket Engine Parts from top names like FELPRO, Mahle, National, and more. FELPRO Engine Parts start at just $6.49 and boast an impressive 4.6 stars average rating from customers. Mahle and National also bring quality to the table, with Engine Parts available starting at $7.29, and at an average 4.4 stars rating. With 407 customer reviews and counting, our 2004 Avanti II Engine Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Oil and Lubricants, Fluids and Chemicals and more to make sure your 2004 Avanti II is always ready to roll. We’re committed to providing you with everything you need to keep your II in top shape, all in one place. Start shopping confidently below for your 2004 Avanti II!

Best-Selling Camshafts for 2004 Avanti IIs

Enhance the driving experience in your Avanti with 6 quality Camshaft components, starting at $42.99.

Competition Cams – XFI RPM 206/212 Hydraulic Roller Cam (Part No.54-408-11)

XFI RPM 206/212 Hydraulic Roller Cam

from

$541.99
Designed to take advantage of the GM LS engine’s larger camshaft journal diameter, the XFI RPM camshaft line takes Xtreme Energy technology to deliver excellent power.

Product Features:
  • Designed with Xtreme Energy technology to provide excellent power with the LS engine’s enhanced cylinder head design and high RPM potential.
  • Takes advantage of the LS engine’s larger journal diameter, base circle and 1.7+ rocker arm ratio.
  • Provides outstanding low RPM torque with increased stability.
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Carquest Premium – Crankshaft or Camshaft Position Sensor (Part No.CSA1216)

Crankshaft or Camshaft Position Sensor

from

$74.99
Carquest Premium crankshaft and camshaft position sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium crankshaft and camshaft sensors are engineered with technology that provides increased output accuracy through a stronger, more consistent signal. Our sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Carquest Premium crankshaft and camshaft position sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium sensors are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Engineered with technology that provides increased accuracy with a stronger, more consistent signal
  • Sensors are based on proven hall effect and variable reluctance technology
  • Includes OE-style brackets, hold downs, hardware, or spacers as needed for each application.
  • O-rings and seals are included if required.
  • Weather-tight connectors prevent leaks and corrosion for better reliability.
  • Extensive design validation testing and 100% end-of-line tested.
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Felpro – Engine Camshaft Thrust Plate (Part No.ES 73115)

Engine Camshaft Thrust Plate

from

$42.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Competition Cams – XFI XE-R 232/234 Hydraulic Roller Cam (Part No.54-446-11)

XFI XE-R 232/234 Hydraulic Roller Cam

from

$541.99
HYDRAULIC ROLLER – XFI XE-R: Xtreme Energy XE-R design for standard displacement LS6 and LS1. Race only applications. Custom tuning required.

Product Features:
  • HYDRAULIC ROLLER – XFI XE-R: Xtreme Energy XE-R design for standard displacement LS6 and LS1. Race only applications. Custom tuning required.
  • 281/283 Advertised Duration, 232/234 Duration @ .050″, .595″/.598″ Lift, 112 Lobe Separation
  • Use Dual Valve Spring part No. 26925-16 with this camshaft
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Competition Cams – XFI RPM HI-LIFT 228/230 Hydraulic Roller Cam (Part No.54-428-11)

XFI RPM HI-LIFT 228/230 Hydraulic Roller Cam

from

$541.99
Designed to take advantage of the GM LS engine’s larger camshaft journal diameter, the XFI RPM camshaft line takes Xtreme Energy technology to deliver excellent power.

Product Features:
  • Designed with Xtreme Energy technology to provide excellent power with the LS engine’s enhanced cylinder head design and high RPM potential.
  • Takes advantage of the LS engine’s larger journal diameter, base circle and 1.7+ rocker arm ratio.
  • Provides outstanding low RPM torque with increased stability.
See More

Competition Cams – XFI RPM HI-LIFT 212/218 Hydraulic Roller Cam (Part No.54-424-11)

XFI RPM HI-LIFT 212/218 Hydraulic Roller Cam

from

$541.99
Designed to take advantage of the GM LS engine’s larger camshaft journal diameter, the XFI RPM camshaft line takes Xtreme Energy technology to deliver excellent power.

Product Features:
  • Designed with Xtreme Energy technology to provide excellent power with the LS engine’s enhanced cylinder head design and high RPM potential.
  • Takes advantage of the LS engine’s larger journal diameter, base circle and 1.7+ rocker arm ratio.
  • Provides outstanding low RPM torque with increased stability.
See More

Most Popular 2004 Avanti II Engine Switches, Sensors and Relays

Customize your Avanti with 3 Engine Switches, Sensors and Relays products like Crankshaft Position Sensors, all priced under $80.99.

Carquest Premium – Crankshaft Sensor (Part No.CSC1052)

Crankshaft Sensor

from

$75.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments.

Product Features:
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
See More

Carquest – Crankshaft Sensor (Part No.35C1008)

Crankshaft Sensor

from

$71.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • 100% testing to meet OE performance
  • High temperature resistance for longer life
See More

NTK – Engine Crankshaft Position Sensor (Part No.EH0157)

Engine Crankshaft Position Sensor

from

$80.99
The Crankshaft Position Sensor plays a vital role in your engine’s operation, to determine the exact position of then engine’s crankshaft to the ECM. The ECM then uses this information to determine fuel and spark timing or engine misfire detection. A failed sensor can result in a check engine light, failure to start, intermittent stalling, or misfire. Crankshaft Position Sensors are a premium quality product with outstanding support and leading innovation bred from our OE heritage.

Product Features:
  • THE DIFFERENCE: Enhanced, robust circuit board traces and precision-wound coated-copper windings increase durability, longevity and performance
  • OE QUALITY: Designed to meet or exceed OE specifications, fit, form and function to ensure proper position and/or rotating speed of the crankshaft
  • EXTENSIVE TESTING: 100 percent thermal shock and vibration tested for best in class performance and reliability in the most extreme conditions
  • PRODUCT ENGINEERING: Premium seals prevent leaks or corrosion, while optimized magnet size and strength ensures precise, consistent signal output
  • INSTALLATION AND SUPPORT: Includes OE style brackets, hold downs, hardware, spacers and weathertight connectors
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Top Picks for 2004 Avanti II Engine Gaskets and Seals

Upgrade Avanti IIs with top-quality Engine Gaskets and Seals parts, including 11 OEM and aftermarket selections for your 2004 model.

Felpro – Engine Oil Pan Gasket Set – PermaDry molded rubber (Part No.OS 30693 R)

Engine Oil Pan Gasket Set - PermaDry molded rubber

from

$67.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SUPERIOR SEAL – Manufactured with rubber compounds to ensure a consistent and long-life seal across the entire oil pan
  • PREVENTS OVERTIGHTENING – Torque limiters help eliminate overtightening and gasket splitting and extruding (where applicable)
  • OE-STYLE REPLACEMENT GASKET – Engineered for OE-style molded rubber gasket replacement
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • ENGINEERING EXPERTISE – Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development
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Felpro – TIMING COVER GASKET SET (Part No.TCS 45993)

TIMING COVER GASKET SET

from

$52.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Timing cover set includes gaskets and seals necessary for timing chain/belt replacement job
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Engine Coolant Crossover Pipe Mounting Set (Part No.ES 73027)

Engine Coolant Crossover Pipe Mounting Set

from

$20.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design for Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Quality that you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50504 R-1)

Engine Valve Cover Gasket Set

from

$37.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50504 R)

Engine Valve Cover Gasket Set

from

$26.99
Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Felpro – Engine Lifter Valley Cover Gasket Set (Part No.MS 92465)

Engine Lifter Valley Cover Gasket Set

from

$42.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Includes all parts needed to complete the repair
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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 71039)

Engine Valve Stem Oil Seal Set

from

$37.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • RIGHT TYPE – Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
  • QUALITY MATERIALS – Each valve stem seal features materials based on the specific application for your vehicle repair
  • ENGINEERING EXPERTISE – Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
  • INSTALLATION AID – Installation tool included to protect inner lip of seal from damage during seal installation
  • COVERAGE – Available for domestic and foreign nameplate vehicles
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Felpro – Engine Oil Filler Cap Seal (Part No.73193)

Engine Oil Filler Cap Seal

from

$5.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – Engine Conversion Gasket Set (Part No.CS 9284)

Engine Conversion Gasket Set

from

$217.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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Felpro – Engine Oil Pan Gasket Set – PermaDry molded rubber (Part No.OS 30703 R)

Engine Oil Pan Gasket Set - PermaDry molded rubber

from

$71.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM – Proprietary cork-rubber formulation
  • SUPERIOR SEAL – Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Melling – Engine Oil Strainer Gasket Set (Part No.M29517)

Engine Oil Strainer Gasket Set

from

$3.99
Made In USA. Installing an oil pump screen can often cause damage to the protective gaskets and O Rings if the screen assembly is not properly installed. In the event that the original seals are damaged or accidently discarded Melling offers a replacement gasket set for oil pump screen installations covering the LS oil pumps. Each package conveniently contains both replacement O Rings needed to complete the oil pump screen installation. These gasket sets can be used for the M295, M295HV, M355, M365, 10295, 10296 and 10355 oil pumps.
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In-Demand Valve Cover and Cylinder Heads for 2004 Avanti IIs

Select from 11 premium Valve Cover and Cylinder Heads parts for your 2004 Avanti II, with prices ranging from $12.99 to $567.99.

MAHLE Original – Engine Cylinder Head Gasket (Part No.54442)

Engine Cylinder Head Gasket

from

$69.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • Cylinder head gaskets are sold individually and may require new head bolts based on application.
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72220)

CYLINDER HEAD BOLT SET

from

$47.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26190 PT)

PermaTorque Engine Cylinder Head Gasket

from

$62.99
Product Features:
  • PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
  • UNIQUE COMBUSTION SEAL – Exclusive Laser Weld stopper layer technology reduces gasket damage from blow out and helps ensure a stronger combustion seal
  • MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
  • SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
  • HANDLES EXTREME ENGINE CONDITIONS – Engineered and manufactured to inhibit over-compression of embossments to maintain a superior seal under peak combustion pressures and temperatures
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72173)

CYLINDER HEAD BOLT SET

from

$35.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
See More

Felpro – Engine Valve Cover Grommet Set (Part No.ES 72233)

Engine Valve Cover Grommet Set

from

$22.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Competition Cams – LIFTERS, LS SERIES OE STYLE HYD RLR 1 ST (Part No.850-16)

LIFTERS, LS SERIES OE STYLE HYD RLR 1 ST

from

$288.99
COMP Cams Hydraulic Roller Lifters are a performance upgrade for stock hydraulic roller lifters or retro-fit hydraulic roller lifters for non-roller blocks. The roller wheel decreases friction and increases longevity when compared to flat tappet lifters. Hydraulic roller lifters can handle much more aggressive cam profiles than flat tappets unlocking performance potential.

Product Features:
  • .842″ diameter; 122g weight; 2.66″ seat height
  • Performance replacement for stock hydraulic roller lifters or retro-fit hydraulic roller lifters for non-roller blocks
  • Decrease friction and increase longevity when directly compared to flat tappet lifters
  • Accept much more aggressive cam profiles than flat tappet lifters will allow
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Spartan – Engine Cylinder Head; Chev 5.7 LS1 99-04 Cyl Head (Part No.2CTT)

Engine Cylinder Head; Chev 5.7 LS1 99-04 Cyl Head

from

$567.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
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Edelbrock – Gen III LS1 Head Bolt Kit (Part No.8596)

Gen III LS1 Head Bolt Kit

from

$465.99
Product Features:
  • Highest Quality Head Bolts
  • Cold-Formed/Heat Treated
  • Ensures Molecular Integrity
  • Reduced Diameter Bolt Heads
  • Hardened/Parallel-Ground Washers Included
  • Rated At 170000 psi
  • Manufactured By ARP
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Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26190 PT)

PermaTorque Engine Cylinder Head Gasket Set

from

$173.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Victor Reinz – Engine Cylinder Head Gasket (Part No.61-10648-00)

Engine Cylinder Head Gasket

from

$134.99
For secure, lasting macro and micro sealing, and protection against fuel, oil, water, and anti-freeze, Victor Reinz cylinder head gaskets deliver optimal service. Victor Reinz gaskets deliver OE proven strength and resistance to extreme temperatures and high-combustion pressures, and Victor Reinz engineers choose the most effective materials and designs from the global resources of Dana Incorporated.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Multi-Layer steel construction
  • Embossed full hard stainless steel construction
  • Application specific rubber coating for unsurpassed sealability
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Melling Select Performance – Valve Train Set Up Spring (Part No.VTSS100)

Valve Train Set Up Spring

from

$12.99
Melling Performance valvetrain checking springs feature a low-tension design that allows them to be installed by hand for measuring piston-to-valve clearance, rocker arm ratio, and degreeing in a camshaft.
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Most Sold 2004 Avanti II Engine Timing Parts

Explore our best-selling Avanti parts for the 2004 II among 1 OEM and aftermarket options starting from $45.99.

National – Shaft Repair Sleeve (Part No.99174)

Shaft Repair Sleeve

from

$45.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
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Top-Rated Engine Parts Brands For Your 2004 Avanti II

Shop for the best-rated brands offering Engine Parts and other products for your 2004 Avanti IIs. Below you’ll find some of our best rated Engine Parts from FELPRO, Mahle, and National, and more. Engine Parts from these brands that fit a 2004 II start at just $6.49 and are rated as high as 4.6 stars. OEM and aftermarket Engine Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular FELPRO 2004 Avanti II Engine Parts

When it comes to maintaining or upgrading your 2004 Avanti II, using quality Engine Parts is essential to ensure durability and a perfect fit. FELPRO ticks all of those boxes. We offer a wide selection of FELPRO Engine Parts, specifically designed for the 2004 Avanti II. With over 3 FELPRO brand Engine Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $6.49, with an average price of just $42.49. Plus, with over 157 customer reviews and an average rating of 4.6 stars, you can trust that our FELPRO Engine Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
TIMING COVER GASKET SET
from $52.99
(42)
TIMING COVER GASKET SET
“Excellent Gasket set fit everything perfect.”
Engine Oil Pan Gasket Set - PermaDry molded rubber
from $67.99
(74)
Engine Oil Pan Gasket Set – PermaDry molded rubber
“This is a great gasket well worth the extra money.”
Multi-Purpose O-Ring
from $6.49
(41)
Multi-Purpose O-Ring
“Corrected the issue”

Popular Mahle 2004 Avanti II Engine Parts

Mahle auto parts is one of the highest quality Engine Part brands in the market. Any 2004 Avanti II owner should feel confident when installing genuine Mahle parts in their vehicle. To ensure the best fit and performance for your 2004 II, Advance Auto Parts carries a full inventory of 2 Mahle Engine Parts. Plus you will be keeping your Avanti in peak condition while saving money because prices on these Mahle Engine Parts range from $7.29 to $69.99, plus, with more than 3 customer reviews and an impressive 4.4 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.
Engine Cylinder Head Gasket
from $69.99
(2)
Engine Cylinder Head Gasket
“Worked perfectly no leaks”
Engine Oil Cooler Gasket Set
from $7.29
(1)
Engine Oil Cooler Gasket Set
“I was skeptical, I didn’t know a thin little metal gasket was supposed to seal, but it worked like a charm and is still going strong”

FAQs for 2004 Avanti II Engine Parts

Which Engine Parts are best-sellers for 2004 Avanti IIs?

Out of 54 Engine Parts that fit 2004 Avanti IIs, the following parts are the top sellers:

What’s the price range for 2004 Avanti II Engine Parts?

Engine Part prices for the 2004 Avanti II start at $3.29 and go up to $567.99 for the most premium parts.

What’s the average price of a Engine Part for a 2004 Avanti II?

The average price for Engine Parts for the 2004 Avanti II is $124.73. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Parts for other Avanti II model years?

Yes, we currently carry Engine Parts for 28 model years of Avanti IIs between 1965 and 2003. Engine Parts are bought most frequently for the following model years: 2003, 2002, 2001, 1991, 1990, 1989, 1988, 1987, and 1985.

What are the cheapest Engine Parts for my 2004 Avanti II?

The cheapest 2004 Avanti II Engine Parts we carry in stock are:

What are the top-rated Engine Parts that fit the 2004 Avanti II?

Out of 407 reviews by customers, our 2004 Avanti II Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 2004 Avanti II and their top-rated products:

Can I get help with 2004 Avanti II Engine Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Avanti Engine Parts and more.

What is your return policy for Avanti II Engine Parts?

Advance Auto Parts keeps returns simple. For new Avanti II Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.