2003 GMC Envoy Engine Parts

Essential 2003 GMC Envoy Engine Parts

Dorman – Engine Harmonic Balancer/Pulley Assembly (Part No.A2210682657DOR)

Engine Harmonic Balancer/Pulley Assembly

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$112.70
Durable and sleek, Dorman Harmonic Balancers feature a stress-resistant rubber bond that withstands the damaging effects of heat, salt, ozone and general wear and tear. The ductile steel construction allows for improved tensile and impact strength, safeguarding the engine and maintaining fuel efficiency year after year. Dorman Harmonic Balancers undergo detailed dimensional checks of the full assembly and critical components to ensure the strength and integrity of the part.

Product Features:
  • Includes woodruff key, bolts, and washers for a complete repair (where applicable)
  • Direct replacement to ensure proper fit
  • Ships with protective sleeve over cone and trigger to prevent damage (where applicable)
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Dorman – Timing Cover Kit (Part No.635-521)

Timing Cover Kit

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$151.99
This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:
  • Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
  • Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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Dorman – Help – Engine Oil Dipstick: Direct Replacement, Stainless Steel (Part No.917-381)

Engine Oil Dipstick: Direct Replacement, Stainless Steel

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$21.99
This engine oil dipstick is designed to match the fit and function of an original equipment dipstick in specified applications. Level marks are clearly distinguished and properly gauged for accuracy.

Product Features:
  • Ideal replacement – this engine oil dipstick is designed to match the fit and function of an original equipment dipstick in specified applications
  • Ideal solution – level marks are clearly distinguished and properly gauged for accuracy
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Imperial – Ultra-Cool Engine Oil Cooler Kit (Part No.240457)

Ultra-Cool Engine Oil Cooler Kit

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$167.99
Product Features:
  • Size: 3/4 in. x 10 in. x 12-1/4 in.
  • Medium duty applications
  • All except Chevrolet V8 applications
  • Two-pass design for increased cooling
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Dorman – Help – Engine Oil Filler Cap (Part No.42315)

Engine Oil Filler Cap

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$13.99
This engine oil filter cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil filter cap is designed to match the fit and function of the original cap on specified vehicles
  • Restores functionality – reliable replacement for an original part that is missing or cracked due to heat and fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Felpro – O-RING (Part No.73193)

O-RING

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$4.49
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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Sealed Power – Engine Crankshaft Main Bearing Set (Part No.7298MA 10)

Engine Crankshaft Main Bearing Set

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$120.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Reduces dramatically or eliminates bearing wear
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • Made with silicon to provide greater surface hardness
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Dorman – Camshaft Phaser (Part No.917-263)

Camshaft Phaser

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$188.99
The variable valve timing sprocket is key to ensuring an engine’s performance and clean running. Replace a worn factory VVT sprocket with this quality engineered sprocket to restore lost performance. Designed to install and perform like the original.

Product Features:
  • Direct replacement – this VVT sprocket fits and performs like the original sprocket
  • Durable construction – made from durable steel and precision machined for reliable performance
  • 100% new – this variable valve timing sprocket is entirely new, not a remanufactured part
  • Quality assured – vehicle-specific application has been validation tested to ensure quality
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Carquest Premium – Chain Tensioner (Part No.91049)

Chain Tensioner

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$37.99
Advance Auto Parts is proud to carry this part with the best fitment and performance requirements for this application, from the highest quality timing component vendor.

Product Features:
  • The part is precision machined with high grade material for greater durability
  • Maintains excellent chain or belt tension
  • Meets or exceeds O.E.M. performance
  • Part is quality inspected and tested
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Elring – Timing Cover Gasket (Part No.A8050546929ELR)

Timing Cover Gasket

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$24.08
Timing Cover Gasket

ACDelco – Oil Filler Cap Gaske (Part No.A6150209855ACD)

Oil Filler Cap Gaske

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$5.22
Oil Filler Cap Gaske

Cloyes Gear – Primary Timing Chain Kit: Exact Fit, 168 Links, Timing Components, With Sprockets (Part No.9-0195SB)

Primary Timing Chain Kit: Exact Fit, 168 Links, Timing Components, With Sprockets

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$265.99
Designed for the replacement of worn or damaged timing chains, tensioners, and guides, Timing Chain Kits includes all components for a quick and efficient replacement. Each part is CAD designed and manufactured using premium materials. Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing.

Product Features:
  • Meet or exceed OEM performance requirements, ensuring a quiet and maintenance free experience
  • Utilizes the latest in design and technology to offer a complete chain kit solution
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
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ACDelco – Engine Oil Level Sensor (Part No.D8055)

Engine Oil Level Sensor

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$39.99
An ACDelco Professional, premium aftermarket Engine Oil Level Sensor is a high quality replacement for many vehicles on the road today. It measures the oil level in your vehicle’s oil pan and will send warnings to the information center or dash panel if oil levels reach a level that is too low, as determined by General Motors engineers. This premium aftermarket replacement engine oil level sensor is manufactured to meet your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Felpro – Fuel Injector O-ring Set (Part No.ES 71192)

Fuel Injector O-ring Set

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$3.99
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
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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National – Multi Purpose Seal (Part No.710551)

Multi Purpose Seal

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$22.99
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:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Melling – Stock Replacement Type Oil Pump Repair Kit (Part No.K322)

Stock Replacement Type Oil Pump Repair Kit

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$182.99
Melling oil pump repair kits are provided to supply the parts needed to rebuild a specific individual oil pump. Melling kits include all the required parts needed for a quality oil pump rebuild. Although Melling recommends the installation of a new oil pump, Melling oil pump repair kits are the preferred choice when a rebuilder has the desire to reuse the original oil pump casting or front timing cover.

Product Features:
  • Includes components needed to rebuild a worn oil pump providing an alternative to purchasing a new oil pump
  • Components are manufactured from high quality materials for durable wear
  • Components are precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
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Carquest – Engine Variable Valve Timing (VVT) Solenoid (Part No.VV1002)

Engine Variable Valve Timing (VVT) Solenoid

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$64.05
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our ABS sensor line has complete coverage for domestic and import applications
  • Our ABS sensors are engineered for precision performance, durability and a long service life
  • OE-match sprocket engineering ensures stable VVT system operation, resulting in less correction from the powertrain control module to maintain the commanded camshaft angle
  • Premium O-rings and gaskets properly prevent premature oil leaks, where applicable
  • Undergoes extensive design process and 100% end-of-line testing to meet or exceed OE performance
  • With more than 200 part numbers and counting, our line of VVT components supplies the aftermarket-leading coverage that today’s service professionals demand
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Felpro – VALVE STEM SEAL SET (Part No.SS 71043-1)

VALVE STEM SEAL SET

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$91.99
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:
  • 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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Spartan – Engine Cylinder Head; Chev 4.2 LL8 08-09 Cyl Head (Part No.2CVK)

Engine Cylinder Head; Chev 4.2 LL8 08-09 Cyl Head

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$777.99
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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Sealed Power – Engine Piston Ring Set (Part No.E-937K .75MM)

Engine Piston Ring Set

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$183.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Face of top rings coated with latest generation Plasma-Moly
  • Decreases friction
  • Very resistant to scuffing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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Felpro – Cylinder Head Gasket Set (Part No.HS 26214 PT-2)

Cylinder Head Gasket Set

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$179.99
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:
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
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Dorman – Remanufactured Body Control Module (Part No.502-006)

Remanufactured Body Control Module

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$101.99
This remanufactured body control module (BCM) is thoroughly tested and refurbished as required to restore various accessory functions and prevent damage to related components.

Product Features:
  • Thoroughly remanufactured – this body control module has been rebuilt in a dedicated electronics manufacturing facility in North America
  • Durable construction – this control module has been thoroughly refurbished for reliable performance
  • Cost-effective solution – offers original equipment quality at a better price than a new part
  • Quality tested – this module has been individually tested to confirm function and performance
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Cloyes Gear – Engine Timing Chain Tensioner (Part No.9-5512)

Engine Timing Chain Tensioner

from

$54.99
A timing chain tensioner maintains appropriate tension in the timing chain. Depending on design, tensioners can use spring tension or hydraulic pressure to properly tension the chain. Please refer to our online catalog for detailed application-specific information

Product Features:
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Meet or exceed OEM performance requirements
  • Utilizes the latest in design and material technology, ensuring a quiet and maintenance-free experience
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Felpro – Engine Conversion Gasket Set (Part No.CS 9284)

Engine Conversion Gasket Set

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$216.99
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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Dorman – Harmonic Balancer Assembly (Part No.594-220)

Harmonic Balancer Assembly

from

$118.99
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

Product Features:
  • Ideal replacement – this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
  • Durable construction – stringent specifications and careful construction help ensure longevity
  • Thoroughly tested – this harmonic balancer has undergone dimensional verification, material validation and functional testing
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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ACDelco – GM Original Equipment Valve Cover Gasket (Part No.A8030432024ACD)

GM Original Equipment Valve Cover Gasket

from

$33.19
The ACDelco GM Original Equipment Valve Cover Gasket is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Felpro – Engine Crankshaft Seal Kit (Part No.BS 40678)

Engine Crankshaft Seal Kit

from

$21.49
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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

National – Multi Purpose Seal (Part No.100085)

Multi Purpose Seal

from

$25.99
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -100°F to 450°F; -73°C to 232°C
  • Resistant to hydrocarbon/oxygenate blends and provides superior performance
  • Provides excellent dry running capabilities, low coefficient of friction and excellent resistance to chemicals
  • Delivers quality and reliable performance for every type of repair
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2003 GMC Envoy Engine Parts

You count on your 2003 GMC Envoy to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 82 Engine Parts ranging in price from $2.99 to $3,479.99, you’re sure to find everything you need for your 2003 GMC Envoy.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 19 different brands like Carquest Premium, Felpro, and Carquest. 2003 GMC Envoy Engine Parts start as low as $2.99!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 192 extensive product reviews on 2003 GMC Envoy Engine Parts. Some of the top-rated Engine Parts products we carry are Multi Purpose Seal with 4.5 stars and Engine Variable Valve Timing (VVT) Solenoid with 3.7 stars.

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 2003 GMC Envoy below to get started!

Top-Rated Engine Parts Brands For Your 2003 GMC Envoy

Trusted Engine Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 GMC Envoy running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, Carquest, and even more.

Popular Anchor Engine Parts

You’ll find popular Anchor brand products across Engine Mounts. All are waiting to get your 2003 GMC Envoy back on the road. Some of the top-rated Anchor products in these categories are:
Engine Mount: Front Left, Front Right, 1 Piece
from $62.99
(1)
Engine Mount: Front Left, Front Right, 1 Piece
Engine Mounts

Top-Rated Dorman Engine Parts


If Dorman are what you’re looking for, our inventory holds plenty. We stock Dorman brand Engine Parts for your 2003 GMC Envoy, and some of our most reviewed Dorman parts include:
Variable Valve Timing Solenoid
from $63.99
(26)
Variable Valve Timing Solenoid
Engine Variable Timing Solenoids
Harmonic Balancer Assembly
from $118.99
(1)
Harmonic Balancer Assembly
Harmonic Balancers
Engine Bearing Bolt Set
from $43.99
(1)
Engine Bearing Bolt Set
Crankshaft Bolts

FAQs for 2003 GMC Envoy Engine Parts

What are the most purchased Engine Parts for the 2003 GMC Envoy?

Out of 82 Engine Parts for the 2003 GMC Envoy, the most popular in our inventory are:
Fuel Injector O-Ring Kit
from $8.99
(14)
Fuel Injector O-Ring Kit
O-Rings
Camshaft Sensor
from $47.99
This product is not rated
Camshaft Sensor
Camshaft Position Sensors

What are the top-rated 2003 GMC Envoy Engine Parts?

Top-rated Engine Parts for your 2003 GMC Envoy based on customer reviews/ratings are:
Multi Purpose Seal
from $17.49
(8)
Multi Purpose Seal
“Exact part. No problems.”
Engine Variable Valve Timing (VVT) Solenoid
from $64.05
(6)
Engine Variable Valve Timing (VVT) Solenoid
“worked perfectly for the repair. Easy installation and replaces the clamp if need be”
Engine Valve Cover Gasket Set
from $31.49
(5)
Engine Valve Cover Gasket Set
“As expected/described. Online ordering is a real time saver.”