GMC G25 Engine Parts

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Essential GMC G25 Engine Parts

Sealed Power – Engine Connecting Rod Bearing Set (Part No.8-2555A 10)

Engine Connecting Rod Bearing Set

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$157.99
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
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S390T)

Engine Timing Camshaft Sprocket

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$11.99
Sprocket Made From High Alloy Material. Features Precision Tooth Form To Assure Proper Chain Engagement, And Is Balanced For Proper Timing.

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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Competition Cams – High Energy 212/212 Hydraulic Flat Cam (Part No.11-203-3)

High Energy 212/212 Hydraulic Flat Cam

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$363.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
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Mr. Gasket – Engine Dress-Up Kit (Part No.9834BP)

Engine Dress-Up Kit

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$149.99
Includes: 2 short flat black valve covers 2 valve cover gaskets 1 flat black push-on breather 1 flat black dipstick & tube 1 flat black timing chain cover 1 flat black timing tab 1 rubber grommet for valve cover PCV hole 1 breather grommet

Product Features:
  • Ideal Starter Kit
  • Enhances Appearance
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Dorman – Engine Oil Pan: Direct Fit, Steel, Sump (Part No.264-104)

Engine Oil Pan: Direct Fit, Steel, Sump

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$97.99
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
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Melling Select Performance – Oil Pump Screen Mounting Kit (Part No.M-55085)

Oil Pump Screen Mounting Kit

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$6.99
Melling always suggests that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation. Melling offers an oil pump screen mounting kit for the 10552ST and 10555ST series high performance pumps. The oil pump screen mounting kit contains everything needed for a fast, easy and quality screen installation including the tool and hardware needed to complete the installation.
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Felpro – Engine Timing Cover Gasket Set (Part No.TCS 45060)

Engine Timing Cover Gasket Set

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$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:
  • 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
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Melling – Stock Replacement Oil Pump Shaft Guide (Part No.M-55005)

Stock Replacement Oil Pump Shaft Guide

from

$3.29
Made In USA. Several Melling oil pump applications require the use of an oil pump shaft guide. Melling provides high quality shaft guides for specific pump applications. An oil pump shaft guide is necessary to connect the oil pump drive shaft to the intermediate drive shaft. Melling recommends installing a new oil pump shaft guide when it is needed.

Product Features:
  • Manufactured from high quality nylon 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
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Schaeffler – Repair Sleeve (Part No.SR3506)

Repair Sleeve

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$53.99
The FAG repair sleeve is a precision element that provides additional sealing for damaged shafts. Made of heat-treated stainless steel, the FAG repair sleeve signifcantly increases the life of the shaft and prevents premature wear. Since no shaft removal or machining is required during the repair, the repair sleeve is a cost effective repair solution to protect damaged surfaces.

Product Features:
  • High-precision and High-quality components used in all KITs
  • Coverage of classic and new high-tech solutions for the best system coverage
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Carquest Premium – Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10066)

Engine Oil Filler Cap: Twist-Lock, Direct Fit, Provides Tight Seal, 1 Pack

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$6.99
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
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Energy Suspension – Motor Mount Set (Part No.3.1156G)

Motor Mount Set

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$79.99
A true performance application component for cars, trucks, hot rods and racing/competition vehicles – yet designed to be also used for street vehicles. Soft-running enough to absorb vibrations for street use yet rugged for racing use. When required- a torque resistant safety interlock design is used that is comparable in strength to those too hard-running metal mounts. Replaces the original, short lived and typically too-soft rubber mounts and outdates those hard-running metal motor mounts. The popular early style mounts for General Motors(R) vehicles are available in either zinc or chrome metal finishes. Made of Hyper-Flex(TM) performance polyurethane. Resistant to under vehicle fluids such as: oils, coolants, road contaminants, etc.

Product Features:
  • Gains Both Performance And Longevity
  • Will Handle Any And All Torque
  • Out Lasts Rubber
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Mr. Gasket – Chrome Plated Steel Crankshaft Pulley (Part No.4978)

Chrome Plated Steel Crankshaft Pulley

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$114.99
Replace your stock black engine pulleys with a pair of chrome plated steel pulleys from Mr. Gasket. The pulleys are highly polished then chrome plated. Designed for small and big block Chevrolet engines with 5/8 inch water pump shaft.

Product Features:
  • Highly Polished For Lasting Beauty
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Competition Cams – Thumpr 227/241 Hydraulic Roller Cam K-Kit (Part No.K12-600-8)

Thumpr 227/241 Hydraulic Roller Cam K-Kit

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$1745.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.

Product Features:
  • Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
  • Best with aftermarket converters and more rear gear.
  • Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
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Sealed Power – Engine Rocker Arm Ball (Part No.MR-1783)

Engine Rocker Arm Ball

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$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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Mr. Gasket – Timing Tab (Part No.4592)

Timing Tab

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$8.49
Installs using stock timing cover bolts. Chrome plated steel is a much better compliment to a chromed timing cover. Has markings from 14 degrees before top dead center (BTDC) to 8 degrees after top dead center (ATDC).

Product Features:
  • Bolts on with existing timing cover bolts
  • Chrome plated steel is a much better compliment for chrome timing covers
  • Markings for 14 degrees BTDC to 8 degrees ATDC
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Sealed Power – Engine Intake Valve (Part No.V-1926)

Engine Intake Valve

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$4.99
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:
  • Chrome plated stem
  • Hard coating added to surface for strength & aiding in lubrication
  • Note – coating added in varying thicknesses depending on application
  • Innovative design, using leading edge materials
  • Utilizes ISO & QS certified manufacturing
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Victor Reinz – Engine Gasket Set (Part No.01-10036-01)

Engine Gasket Set

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$76.99
Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.

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.
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National – Multi-Purpose Seal (Part No.9845)

Multi-Purpose Seal

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$17.99
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: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
  • Excellent high temperature capabilities
  • Compatible with wide range of fluids
  • Delivers quality and reliable performance for every type of repair
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Spartan – Engine Cylinder Head; Chevrolet 350 71-87 Cyl Head (Part No.2C87)

Engine Cylinder Head; Chevrolet 350 71-87 Cyl Head

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$341.99
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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Felpro – Engine Gasket Set (Part No.KS 2600)

Engine Gasket Set

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$56.99
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 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 Type Oil Pump Intermediate Shaft (Part No.IS-77A)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$12.79
A new Melling oil pump shaft is recommended to complete every new oil pump install. Melling offers a complete line of high quality shafts for domestic and import pump applications. A new oil pump shaft is necessary due to possible metal fatigue, cracking

Product Features:
  • 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
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Sealed Power – Engine Piston Ring Set (Part No.E-251KC 30)

Engine Piston Ring Set

from

$95.99
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:
  • Chrome plated ring face
  • Increases wear resistance in dirty air conditions
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
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ARP Auto Racing – For Use With Small/ Big Block Chevy, Hex Head, Black Oxide, With Nuts/ Washers (Part No.230-7003)

For Use With Small/ Big Block Chevy, Hex Head, Black Oxide, With Nuts/ Washers

from

$8.99
you have probably heard many a horror story about someone losing an engine when the oil pump fell off into the pan because of a broken bolt. Well, you can put your mind at ease when using ARP premium grade oil pump bolt and stud kits. You have a choice of black oxide finished 8740 chrome moly steel or low maintenance stainless steel. Both are nominally rated at 170,000 PSI tensile strength to provide you with plenty of clamping force. Moreover, take your pick between conventional hex style or 12 point designs. This is insurance that no conscientious engine builder should be without The studs come with flat washers and nuts, while the Ford bolt kit has flat washers only. These inexpensive fasteners can literally save your engine.

Product Features:
  • Nominally Rated At 170,000 PSI Tensile Strength To Provide You With Plenty Of Clamping Force
  • Premium Grade Oil Pump Stud
  • The Studs Come With Flat Washers And Nuts
  • Black Oxide Finished 8740
  • Hi-Volume
  • 3.125″
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Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.945G)

Ultra Seal: Harmonic Balancer Bolt/Washer Kit

from

$15.49
This is a high quality bolt set that is made of grade 8 steel and will meet your requirements for a quality bolt set, this set will work on original equipment, high performance street, drag or circle track applications.

Product Features:
  • Has A Zinc Dichromate Finish
  • Made Of High Quality Grade 8 Steel
  • Has A Tall Hex Head To Prevent Wrench Slipping Off
  • Extra Thick Parallel Ground Washer
  • Washer Provides More Accurate And Uniform Torque
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ARP Auto Racing – For Use With Chevy Big Block, 5/8"Socket, 1/2"-20 Thread, 1.55"L Under Head (Part No.135-2501)

For Use With Chevy Big Block, 5/8"Socket, 1/2"-20 Thread, 1.55"L Under Head

from

$39.99
As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 PSI bolts that let you exert maximum clamping force. Special features include 1/4 Inch thick, wide area washer and an extra tall 12 point head that accepts a deep socket and eliminates the worry of stripping the head.

Product Features:
  • Ultra Strong Bolt Rated At 200,000 PSI
  • 1/4 Inch Thick, Wide Area Washer And An Extra Tall 12 Point Head That Accepts A Deep Socket And Eliminates The Worry Of Stripping The Head
  • Delivers ARP Quality And Reliability
  • Made In USA
  • Sold Individually
  • 200,000 PSI
  • 1.55″ Underhead Length
  • 5/8″ 12-Point Socket
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GMC G25 Engine Parts Categories

Helping You Find the Right Engine Parts for Your GMC G25

You love your G25. So we’ve made it easier than ever to help you find GMC G25 Engine Parts in our online catalog. Our inventory holds 893 aftermarket and OEM Engine Parts for your GMC G25, ranging from $0.30 to $9,081.99.

We offer parts from 27 brands trusted to make quality Engine Parts for your GMC G25. Before you buy, take some time to read through customer reviews. We currently have 20,247 reviews of GMC G25 Engine Parts from previous customers. Some of the top rated parts include Engine Valve Cover Gasket Set with 4.8 stars and Engine Oil Pan Gasket Set – PermaDryPlus rigid carrier, Oil Pan SnapUps Included with 4.6 stars.

Find your G25 Engine Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your GMC G25 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 GMC G25

Our inventory holds Engine Parts for your GMC G25 from 27 trusted brands. You’ll find OEM and aftermarket parts from brands like Sealed Power, Felpro, and Melling, all of which can keep that GMC happy.

Top-Rated Spartan Engine Parts

Leading Spartan Engine Parts

We carry Spartan brand parts for your GMC G25 across several catalog categories, including Remanufactured Engines. Some of our most reviewed Spartan parts include:
Engine Long Block; Chevrolet 400 70-78 Engine
from $2619.99
(1147)
Engine Long Block; Chevrolet 400 70-78 Engine
Remanufactured Engines
Engine Long Block; Chevrolet 350 64-85 H.P. Mid-Drss
from $4158.99
(32)
Engine Long Block; Chevrolet 350 64-85 H.P. Mid-Drss
Remanufactured Engines
Engine Long Block; Chevrolet 350 4 BLT 325HP Base
from $3114.99
(6)
Engine Long Block; Chevrolet 350 4 BLT 325HP Base
Remanufactured Engines

FAQs for GMC G25 Engine Parts

What are the most purchased Engine Parts for the GMC G25?

Out of 893 Engine Parts for the GMC G25, the most popular in our inventory are:
Engine Valve Lifter
from $13.99
(15)
Engine Valve Lifter
Camshaft Followers
Engine Push Rod
from $3.29
(5)
Engine Push Rod
Push Rods
Engine Cylinder Head Bolt Set
from $32.99
(38)
Engine Cylinder Head Bolt Set
Cylinder Head Bolt Sets

What are the top-rated GMC G25 Engine Parts?

Top-rated Engine Parts for your GMC G25 based on customer reviews/ratings are:
Engine Valve Cover Gasket Set
from $26.99
(45)
Engine Valve Cover Gasket Set
“Good fit”
Engine Oil Pan Gasket Set - PermaDryPlus rigid carrier, Oil Pan SnapUps Included
from $42.99
(38)
Engine Oil Pan Gasket Set – PermaDryPlus rigid carrier, Oil Pan SnapUps Included
“So easy to install and re-useable. Worth the little extra over the 4-piece gasket set.”
TIMING COVER GASKET SET
from $20.99
(24)
TIMING COVER GASKET SET
“Perfect match”