Hummer H3 Engine Parts

Essential Hummer H3 Engine Parts

Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 71039)

Engine Valve Stem Oil Seal Set

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$36.99
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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Felpro – CAMSHAFT THRUST PLATE SEAL SET (Part No.ES 73115)

CAMSHAFT THRUST PLATE SEAL SET

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$41.49
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
  • 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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Dorman – Cylinder Deactivation Manifold (Part No.917-162)

Cylinder Deactivation Manifold

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$228.99
The CD Manifold manages the cylinder deactivation function for optimized fuel economy and engine efficiency. This direct replacement part restores drivability and proper engine performance.

Product Features:
  • Cylinder Deactivation Manifold
  • Cylinder Deactivation Manifold
  • The CD Manifold manages the cylinder deactivation function for optimized fuel economy and engine efficiency. This direct replacement part restores drivability and proper engine performance.
  • Constructed of aluminum for increased durability and a longer service life
  • No special tools required
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GM Genuine Parts – Oil Pan Cover Gasket: Nitrile Coated SS (Part No.12611384)

Oil Pan Cover Gasket: Nitrile Coated SS

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$8.49
GM Genuine Parts Engine Oil Pan Cover Gasket are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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PowerBond – SC Performance 8 Rib 10% Overdrive Harmonic Balancer; 214mm Diameter (Part No.PBO81190SC10)

SC Performance 8 Rib 10% Overdrive Harmonic Balancer; 214mm Diameter

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$456.99
For use on the most popular passenger car, light commercial and four-wheel drive applications, Dayco harmonic balancers use special rubber compounds to dampen and remove engine harmonics and add to engine performance. Manufactured using a premium ductile iron casting and injection bonded dampening rubber, Dayco harmonic balancers offer engine builders and technicians the highest quality replacement to standard OEM balancers, which are typically made with press inserted dampening rubber. Dayco balancers utilize both inserted and pressure-bonded rubber to provide superior bonding strength between the inner and outer balancer rings, helping minimize spin and dislocation.

Product Features:
  • Designed as premium OEM replacement balancers for serpentine and V-belt drives
  • Manufactured with ductile iron casting and injection bonded dampening rubber
  • Engineered to offer superior bonding strength between the balancer rings
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MTC – Valve Cover (Part No.A3160685630MTC)

Valve Cover

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$150.65
Valve Cover

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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GM Genuine Parts – Gen III/IV Lifter Guide (Part No.12595365)

Gen III/IV Lifter Guide

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$14.99
GM Genuine Parts Engine Valve Lifter Guide are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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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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ACDelco – GM Original Equipment Engine Hydraulic Cam Follower (Part No.A4010352802ACD)

GM Original Equipment Engine Hydraulic Cam Follower

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$62.94
The ACDelco GM Original Equipment Engine Hydraulic Valve Adjuster/Valve Lifter is a GM-recommended replacement for your vehicle’s original component. It automatically maintains a Zero valve lash condition, preventing valve train noise and unnecessary valve train component wear. This original equipment engine hydraulic valve adjuster/valve lifter has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Stay with the brand of parts your General Motors vehicle came with and get peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. This is important on these types of high-labor-hour repairs because the part designs are enhanced to incorporate GM OE updates, upgrades, and Technical Service Bulletins. Only ACDelco can offer complete late-model coverage and all ACDelco GM OE Engine Components.

Product Features:
  • Adjusts the valves on your vehicle’s engine for proper performance
  • 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 – Multi-Purpose O-Ring (Part No.72401)

Multi-Purpose O-Ring

from

$5.49
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
  • 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 – CYLINDER HEAD BOLT SET (Part No.ES 72390)

CYLINDER HEAD BOLT SET

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$36.99
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 – Engine Coolant Crossover Pipe Mounting Set (Part No.ES 73027)

Engine Coolant Crossover Pipe Mounting Set

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$19.99
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 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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Mahle – Valve Cover Gasket S (Part No.A8029648108MAH)

Valve Cover Gasket S

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$57.72
WARNING: This item cannot be returned for a replacement or refund if opened! Mahle is the largest gasket manufacturer in the world, providing you original equipment design and quality and world class aftermarket service. Mahle does not just cut gaskets – it designs total system sealing approaches that utilize application engineering. This means that regardless of what application you are trying to seal, you can count on Mahle doing the research and testing to provide the optimum material and technology for that specific application – this systems sealing approach requires a variety of materials. No other gasket manufacturer offers the Application Engineered approach to sealing an engine. A variety of different gasket materials insure an engine gets the optimal seal. All gaskets are not created equal – Mahle gaskets prove it every day.

Product Features:
  • Original equipment design and quality
  • Utilizes OE equivalent or better materials
  • Packaged in shrink wrapped tray
  • Every part you need to complete your gasket repair in one package unless otherwise stated
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Carquest Premium – Partial Timing Set (Part No.76191)

Partial Timing Set

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$293.99
Advance Auto Parts is proud to carry this kit with the best fitment and performance requirements for this application, from the highest quality timing component vendor.

Product Features:
  • Includes Cam Sprocket, Chain, Crank Sprocket, 3 Guides, Tensioner
  • 7 Pieces
  • Meets or exceeds O.E.M. performance
  • Coated in rust preventative
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Mahle – Valve Cover O-Ring S (Part No.A8026454930MAH)

Valve Cover O-Ring S

from

$21.55
Valve Cover O-Ring S

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S827)

Engine Timing Crankshaft Sprocket

from

$25.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • 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
  • Refer to our online catalog for detailed application-specific information
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Felpro – Fuel Injector O-ring Set (Part No.ES 71192)

Fuel Injector O-ring Set

from

$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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Dorman – Crankshaft Seal Cove (Part No.A2160751058DOR)

Crankshaft Seal Cove

from

$67.53
Crankshaft Seal Cove

Dorman – Oil Fill Tube with Gasket (Part No.917-420)

Oil Fill Tube with Gasket

from

$29.99
This engine oil filler tube is designed to match the fit and function of the original tube on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil filler tube is designed to match the fit and function of the original tube on specified vehicles
  • Restores functionality – reliable replacement for an original tube that has failed due to fatigue and corrosion
  • 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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Competition Cams – LIFTERS, LS SERIES OE STYLE HYD RLR 1 ST (Part No.850-16)

LIFTERS, LS SERIES OE STYLE HYD RLR 1 ST

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$284.99
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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Cloyes Gear – Engine Balance Shaft Chain Tensioner (Part No.9-5511)

Engine Balance Shaft Chain Tensioner

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$50.99
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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Dorman – Help – Engine Bearing Bolt Set (Part No.45691)

Engine Bearing Bolt Set

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$43.99
This engine crankshaft main bearing cap bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine crankshaft main bearing cap bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to 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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Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-291)

Engine Valve Spring Retainer Keeper

from

$0.65
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.
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Hummer H3 Engine Parts Categories

Helping You Find the Right Engine Parts for Your Hummer H3

You love your H3. So we’ve made it easier than ever to help you find Hummer H3 Engine Parts in our online catalog. Our inventory holds 266 aftermarket and OEM Engine Parts for your Hummer H3, ranging from $0.65 to $4,167.99.

We offer parts from 23 brands trusted to make quality Engine Parts for your Hummer H3. Before you buy, take some time to read through customer reviews. We currently have 2,720 reviews of Hummer H3 Engine Parts from previous customers. Some of the top rated parts include Multi-Purpose O-Ring with 4.9 stars and Stock Replacement OE Type Oil Pump with 4.3 stars.

Find your H3 Engine Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Hummer H3 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Engine Parts Brands for Your Hummer H3

Our inventory holds Engine Parts for your Hummer H3 from 23 trusted brands. You’ll find OEM and aftermarket parts from brands like Felpro, Sealed Power, and Dorman, all of which can keep that Hummer happy.
We have National parts available for your Hummer H3 in categories like Engine Internals and Engine Gaskets and Seals. Some of the top-rated National parts in these categories are:
Multi Purpose Seal
from $28.99
(7)
Multi Purpose Seal
Crankshaft Seals
Multi Purpose Seal
from $25.99
(7)
Multi Purpose Seal
Rear Main Seal Sets
Shaft Repair Sleeve
from $45.49
(1)
Shaft Repair Sleeve
Timing Cover Seals

FAQs for Hummer H3 Engine Parts

What are the most purchased Engine Parts for the Hummer H3?

Out of 266 Engine Parts for the Hummer H3, the most popular in our inventory are:
Engine Valve Lifter
from $12.99
(30)
Engine Valve Lifter
Engine Valve Lifters
Engine Crankshaft Seal Kit
from $41.99
(31)
Engine Crankshaft Seal Kit
Rear Main Seal Sets
Rear Main Seal Cover Kit
from $74.99
(19)
Rear Main Seal Cover Kit
Rear Main Seal Sets

What are the top-rated Hummer H3 Engine Parts?

Top-rated Engine Parts for your Hummer H3 based on customer reviews/ratings are:
Multi-Purpose O-Ring
from $5.49
(41)
Multi-Purpose O-Ring
“Fixed the low oil pressure at idle and ticking from the lifters”
Stock Replacement OE Type Oil Pump
from $193.99
(28)
Stock Replacement OE Type Oil Pump
“I received this free product sample from 3M. This sanding paper is very easy to use. You have a better grip with it and can use your whole hand to san”
Stock Replacement OE Type Oil Pump
from $121.99
(26)
Stock Replacement OE Type Oil Pump
“Great service.good job”