2003 Hummer H1 Engine Parts

Name: Engine Conversion Gasket Set
Brand: Felpro
SKU: CS 26269
Price: 142.99 USD

Below you will find various in-demand Hummer Engine Parts, components and accessories for your 2003 H1. Advance Auto Parts has popular H1 parts like Engine Gaskets and Seals, Engine Internals, Engine Switches, Sensors and Relays and more. You’ll also find aftermarket and OEM Engine Parts for other H1 model years including 2002, 2004, 2006 and more. Select a category of 2003 Hummer H1 Engine Parts below and start saving instantly.

Popular 2003 Hummer H1 Engine Parts Categories

Valve Covers

Valve Cover Gaskets

Turbochargers and Parts

Oil Pumps

Gasket Kit Sets

Oil Pans

Cylinder Head Gaskets

Power Take Off Shaft Seal

Engine Valve Stem Seals

Lower Gasket Sets

Turbocharger Gaskets

Fuel Pump Gaskets

Turbocharger Mounting Gaskets

Turbocharger Cartridges

Essential Engine Parts for 2003 Hummer H1s

from

$142.99

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

from

$39.99

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
Includes all the parts necessary to complete the repair unless otherwise noted

from

$32.99

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
Validated for fit, form, and function
Engineered for the sealing repair environment
Unsurpassed quality you can trust

from

$262.99

Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:

Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
Complete assembly – includes replacement pan and drain plugs to match original components
Durable design – high-strength coating prevents future corrosion
Trustworthy value – backed by team of engineers and quality control experts in the United States

from

$36.49

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

from

$837.99

Rotomaster remanufactured Turbochargers are available for a vast array of automotive applications to meet the growing demand for maximum vehicle performance with optimal fuel efficiency. Every Rotomaster turbocharger has been designed and tested to guarantee O.E. fit and performance. Rotomaster is committed to getting your vehicle back on the road and back to peak performance with these remanufactured, direct-replacement turbochargers.

Product Features:

All wheels, shafts and corresponding bores are measured and controlled with specific go/no-go tolerances and renewed or replaced as needed to ensure trouble-free operation.
Each unit is 100% disassembled and thoroughly cleaned using proprietary processes and dedicated specialized equipment.
All components are inspected to exact standards, and renewed as appropriate to ensure that problematic areas that typically cause failure are renewed to the highest quality standards.
100% of rotating, journal, and thrust bearings and seals are replaced, and all mating surfaces/passages are renewed as required for a longer-lasting unit.
Each unit comes with a pre-lube syringe to ensure product protection during installation.
As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.

from

$13.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$726.99

When turbochargers fail, the common response is the replacement of the entire unit. However, the damage is often isolated within the turbo cartridge, which contains the core components of the turbo assembly. By replacing just the cartridge, the remaining components can be salvaged and repair times reduced. CARDONE cartridges are assembled with O.E.-grade components to ensure high performance and durability.

Product Features:

Eliminates the need to replace the entire turbocharger
Allows for reuse of the original compressor and turbine housings
Direct O.E. replacement
Allows for replacement of turbocharger without the need for balancing
Supplied with O.E.-grade components for durability

from

$2.49

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

from

$185.99

This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.

Product Features:

Direct replacement – this valve cover matches the original equipment part for fit and function
Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking
Cost-effective solution – offers original equipment performance at competitive price
Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service

from

$27.49

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

from

$9.99

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

from

$181.99

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

from

$139.99

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

from

$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

from

$10.99

Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:

Provides proper seal to ensure leak prevention
Stops engine blow by
High quality construction
Meets all OEM specifications

from

$233.99

Made in USA. Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor technology to provide the highest level of quality and performance. Gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.

from

$167.99

Manufactured from high quality materials for consistent durable wear
Precision engineered for optimum fit and function
Designed for long-life and worry-free performance
Meets or exceeds original equipment specifications

from

$162.99

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

from

$138.99

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

from

$9.79

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: spring loaded; single-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$64.99

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

from

$242.99

Oil drops on the driveway are a distant memory thanks to sophisticated engine valve cover and gasket designs. Victor Reinz is at the forefront of engineering the latest sealing technology. Although the primary task of valve cover gaskets is to seal oil and oil spray, they must withstand high temperatures brought on by nearby exhaust manifolds, exhaust crossovers in the cylinder heads, and EGR systems. Victor Reinz valve cover gaskets deliver the quality materials you demand. Where appropriate, Victor Reinz valve cover gaskets are designed with compression limiters to prevent over-torquing, splitting, or the need to retorque.

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.
Meets or exceeds OE specifications
Engineered for the unique operating conditions of certain engines.

from

$99.99

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

from

$335.99

Head sets without head gasket(s)
Requires purchase of head gasket(s) separately
Premium quality parts
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Contains all the parts needed to complete the repair unless otherwise noted

from

$141.99

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
Patented Wave-Stopper┐ combustion seal
Wave-Stopper┐ feature distributes bolt load evenly across combustion seal

from

$128.99

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.

from

$94.99

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

Upgrade your 2003 Hummer H1 with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 2003 Hummer H1, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Hummer or enhancing its overall performance, Engine Parts are key to keeping your H1 functioning at its best. At Advance Auto Parts, we offer a wide selection of 30 Engine Parts for the 2003 Hummer H1, designed to meet your needs without breaking the bank. From Engine Gaskets and Seal replacements to Engine Internals 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 2003 Hummer H1 at great prices. Our Engine Parts inventory for this model ranges from just $2.49 to $1,591.99, with an average price of $196.92. Our 30 Engine Parts in stock come from 11 trusted brands, so you’re sure to find the right part for your 2003 Hummer H1 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 2003 Hummer H1, we stock popular OEM and aftermarket Engine Parts from top names like FELPRO National, and more. FELPRO Engine Parts start at just $2.49 and boast an impressive 4.6 stars average rating from customers. With 83 customer reviews and counting, our 2003 Hummer H1 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 Batteries and Chargers, Oil and Lubricants and more to make sure your 2003 Hummer H1 is always ready to roll. We’re committed to providing you with everything you need to keep your H1 in top shape, all in one place. Start shopping confidently below for your 2003 Hummer H1!

Best-Selling Engine Gaskets and Seals for 2003 Hummer H1s

Enhance the driving experience in your Hummer with 11 quality Engine Gaskets and Seal components, starting at $2.49.

show more show less

from

$3.99

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

from

$2.49

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

from

$20.99

Design type: spring loaded; multi-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

from

$16.99

Specialized gasket set called R.A.C.E. or Remainder to Assemble Complete Engine
Includes rear main seal, timing cover gasket and seals and fuel pump gaskets
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

from

$13.49

Value-priced seal meets all cataloged application requirements.

Product Features:

Brand may vary by location

from

$22.99

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

from

$63.99

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

from

$181.99

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

from

$36.49

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

from

$139.99

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

from

$2.99

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

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.

Top Picks for 2003 Hummer H1 Engine Switches, Sensors and Relays

Upgrade Hummer H1s with top-quality Engine Switches, Sensors and Relays parts, including 1 OEM and aftermarket selections for your 2003 model.

show more show less

from

$39.99

Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function

In-Demand Valve Cover and Cylinder Heads for 2003 Hummer H1s

Select from 2 premium Valve Cover and Cylinder Heads parts for your 2003 Hummer H1, with prices ranging from $42.99 to $185.99.

show more show less

from

$42.99

DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE – Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED – Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR – Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

from

$185.99

Direct replacement – this valve cover matches the original equipment part for fit and function
Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking
Cost-effective solution – offers original equipment performance at competitive price
Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service

Most Sold 2003 Hummer H1 Engine Timing Parts

Explore our best-selling Hummer parts for the 2003 H1 among 1 OEM and aftermarket options starting from $9.79.

show more show less

from

$9.79

Design type: spring loaded; single-lip
Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
Resistance to EP lubricants
Low swell in hydrocarbon fluids
Delivers quality and reliable performance for every type of repair

Top-Rated Engine Parts Brands For Your 2003 Hummer H1

Shop for the best-rated brands offering Engine Parts and other products for your 2003 Hummer H1s. Below you’ll find some of our best rated Engine Parts from FELPRO and National, and more. Engine Parts from these brands that fit a 2003 H1 start at just $2.49 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 2003 Hummer H1 Engine Parts

When it comes to maintaining or upgrading your 2003 Hummer H1, 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 2003 Hummer H1. 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 $2.49, with an average price of just $7.82. Plus, with over 41 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.

from $2.49

(14)

Fuel Pump Mounting Gasket

“Felpro is the best”

from $3.99

(26)

Fuel Pump Mounting Gasket

“Needed for pump that was bought”

from $16.99

(1)

Engine Valve Stem Oil Seal Set

“[…]”

Popular National 2003 Hummer H1 Engine Parts

National auto parts is one of the highest quality Engine Part brands in the market. Any 2003 Hummer H1 owner should feel confident when installing genuine National parts in their vehicle. To ensure the best fit and performance for your 2003 H1, Advance Auto Parts carries a full inventory of 2 National Engine Parts. Plus you will be keeping your Hummer in peak condition while saving money because prices on these National Engine Parts range from $9.79 to $20.99, plus, with more than 16 customer reviews and an impressive 4.3 stars average rating, you can be confident the Fram Engine Parts below will deliver on both quality and value.

from $9.79

(1)

Multi-Purpose Seal

“I used this seal to replace the leaking front crankshaft seal on a high performance 454 big block Chevy engine. It fit and installed without any issue”

from $20.99

(15)

Multi-Purpose Seal

“Works good so far”

FAQs for 2003 Hummer H1 Engine Parts

Which Engine Parts are best-sellers for 2003 Hummer H1s?

Out of 30 Engine Parts that fit 2003 Hummer H1s, the following parts are the top sellers:

Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (18481430) – $10.99
Engine Valve Cover Gasket Set (5183332) – $22.99
Oil Seal (15440109) – $13.49

What’s the price range for 2003 Hummer H1 Engine Parts?

Engine Part prices for the 2003 Hummer H1 start at $2.49 and go up to $1,591.99 for the most premium parts.

What’s the average price of a Engine Part for a 2003 Hummer H1?

The average price for Engine Parts for the 2003 Hummer H1 is $196.92. 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 Hummer H1 model years?

Yes, we currently carry Engine Parts for 2 model years of Hummer H1s between 2002 and 2006. Engine Parts are bought most frequently for the following model years: 2006, 2004, and 2002.

What are the cheapest Engine Parts for my 2003 Hummer H1?

The cheapest 2003 Hummer H1 Engine Parts we carry in stock are:

Fuel Pump Mounting Gasket (5183812) – $2.49
Fuel Pump Mounting Gasket (12548153) – $2.99
Fuel Pump Mounting Gasket (5183804) – $3.99
Crankshaft Seal (11494004) – $7.49
Multi-Purpose Seal (3268489) – $9.79

What are the top-rated Engine Parts that fit the 2003 Hummer H1?

Out of 83 reviews by customers, our 2003 Hummer H1 Engine Parts have an average customer rating of . These are some of the highest-rated Engine Part types for the 2003 Hummer H1 and their top-rated products:

Engine Gaskets and Seals
- Fuel Pump Mounting Gasket (5183804) – $3.99
- Fuel Pump Mounting Gasket (5183812) – $2.49
- Multi-Purpose Seal (18443662) – $20.99

What types of Engine Parts do you sell for my 2003 Hummer H1?

As of 11/2/25, these are some of the most in-demand types of Engine Parts for a 2003 Hummer H1:

Can I get help with 2003 Hummer H1 Engine Part orders?

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

What is your return policy for Hummer H1 Engine Parts?

Advance Auto Parts keeps returns simple. For new Hummer H1 Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 Hummer H1 Engine Parts

Felpro – Engine Conversion Gasket Set (Part No.CS 26269)

Felpro – Engine Crankshaft Seal Kit (Part No.TCS 46193)

Felpro – Turbocharger Mounting Gasket Set (Part No.ES 73125)

Dorman – Engine Oil Pan: Direct Fit, Steel, Sump (Part No.264-163)

Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72711)

Rotomaster – Remanufactured Turbocharger (Part No.J8650107R)

Driveworks – Oil Seal (Part No.S-4333N)

Cardone New – Turbocharger Cartridge (Part No.2N-1028CHR)

Felpro – Fuel Pump Mounting Gasket (Part No.5182)

Dorman – Valve Covers: with Gasket, Direct Replacement, Stamped Steel (Part No.264-986)

Felpro – Turbocharger Mounting Gasket (Part No.61789)

Felpro – Turbocharger Mounting Gasket (Part No.61717)

Felpro – Engine Gasket Set (Part No.260-1773)

Felpro – Engine Gasket Set (Part No.260-1772)

ACDelco – Engine Oil Level Sensor (Part No.D8055)

Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10099)

Melling – Stock Replacement Oil Pump (Part No.M255HV-294S)

Melling – Stock Replacement OE Type Oil Pump and Screen (Part No.M255-294S)

Sealed Power – Engine Gasket Set (Part No.260-1773)

Sealed Power – Engine Gasket Set (Part No.260-1772)

National – Multi-Purpose Seal (Part No.3945)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50681)

Victor Reinz – Valve Cover Gasket Set: Direct Fit, Includes Grommets, 57 Pieces (Part No.15-10748-01)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50684 R)

Felpro – Engine Cylinder Head Gasket Set (Head Gasket Sold Separately) (Part No.HSU 26269-1)

Victor Reinz – Engine Cylinder Head Gasket (Part No.61-37120-00)

Victor Reinz – Engine Cylinder Head Gasket (Part No.61-36465-20)

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.26405 PT)

Felpro – Fuel Pump Mounting Gasket (Part No.6579)

Felpro – Fuel Pump Mounting Gasket (Part No.5182)

National – Multi-Purpose Seal (Part No.4333N)

Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 5112)

Driveworks – Oil Seal (Part No.S-4333N)

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50228 C)

Felpro – Engine Conversion Gasket Set (Part No.CS 8726-2)

Felpro – Engine Gasket Set (Part No.260-1773)

Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72711)

Felpro – Engine Gasket Set (Part No.260-1772)

Victor Reinz – Fuel Pump Mounting Gasket (Part No.71-13599-00)

National – Multi-Purpose Seal (Part No.710258)

Driveworks – Crankshaft Seal (Part No.S-3945)

ACDelco – Engine Oil Level Sensor (Part No.D8055)

Felpro – Engine Cylinder Head Gasket Set (Head Gasket Sold Separately) (Part No.HSU 8726)

Dorman – Valve Covers: with Gasket, Direct Replacement, Stamped Steel (Part No.264-986)

National – Multi-Purpose Seal (Part No.3945)