GMC G25 Engine Parts

Essential GMC G25 Engine Parts

Mr. Gasket – Timing Tab (Part No.4600)

Timing Tab

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$10.99
Installs using stock timing cover bolts. Chrome plated steel is a much better compliment to a chromed timing cover.

Product Features:
  • Bolts on with existing timing cover bolts
  • Chrome plated steel is a much better compliment for chrome timing covers
  • Balancer
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Competition Cams – High Energy/Marine 212/212 Hydraulic Flat Cam for Chevrolet Small Block (Part No.12-206-2)

High Energy/Marine 212/212 Hydraulic Flat Cam for Chevrolet Small Block

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$284.99
HYDRAULIC – High Energy: Vans, pickups, 4WD and towing, in 350c.i., good idle, strong mid-range torque. OR High Energy Marine: Single or dual engine with inboard/outboard drive for ski and economy.

Product Features:
  • HYDRAULIC – High Energy: Vans, pickups, 4WD and towing, in 350c.i., good idle, strong mid-range torque. OR High Energy Marine: Single or dual engine with inboard/outboard drive for ski and economy.
  • 260/260 Advertised Duration, 212/212 Duration @ .050″, .440″/.440″ Lift, 110 Lobe Separation
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
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Competition Cams – TIMING SET, HIGH TECH SMALL BLOCK CHEVY 1 EA (Part No.3100)

TIMING SET, HIGH TECH SMALL BLOCK CHEVY 1 EA

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$79.99
COMP Cams Hi-Tech Roller Race Timing Sets include cast iron camshafts gears, induction hardened billet steel crank sprockets, and pre-stretched, heat-treated double roller chains with heavy-duty large pin design. They feature 3 keyway crank sprockets for

Product Features:
  • Cast iron camshaft gear and induction hardened billet steel crank sprocket
  • Pre-stretched, heat-treated true double roller chain with heavy-duty large pin design; chain available separately
  • Ideal for all street performance and race applications
  • Features 3 keyway crank sprocket for 4-degree incremental adjustability, 4-degree maximum advance/retard
  • Dynamically balanced and quality checked for run-out tolerances
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Sealed Power – Engine Gasket Set (Part No.260-1000AT)

Engine Gasket Set

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$114.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
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Felpro – Exhaust Pipe Flange Gasket (Part No.60083)

Exhaust Pipe Flange Gasket

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$3.99
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
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Driveworks – Oil Seal (Part No.S-3638)

Oil Seal

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$4.49
Product Features:
  • Brand may vary by location
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Sealed Power – Assembly Lubricant (Part No.55-400)

Assembly Lubricant

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$10.29
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:
  • Formulated for prelubrication cam lobes, lifters & engine bearings
  • Increases load carrying capacity
  • Holds fast to surfaces
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • 4.0 oz. Squeeze Container
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Spartan – Engine Long Block; Chev 350 4 BLT 325HP Base (Part No.HP291P)

Engine Long Block; Chev 350 4 BLT 325HP Base

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$3114.99
ATK High Performance Engines are based on dyno proven combinations built with name brand parts. Most performance engines come in 3 different dress levels and range from 245HP-700HP+ carrying a 2 Year Warranty built by a name you can trust.
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Melling – Engine Oil Priming Tool (Part No.PT13)

Engine Oil Priming Tool

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$71.99
Made In USA. Melling Engine Oil Priming Tools were developed as a way for engine builders to safely pre-prime the engine with oil prior to the initial engine startup. The Priming tool, with the use of a standard drill circulates oil to all of the critical areas of the new engine quickly and safely.

Product Features:
  • Priming tool circulates oil through critical areas of a new engine before engine start up
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
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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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Mr. Gasket – Woodruff Key (Part No.983G)

Woodruff Key

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$30.19
Long style. The offset cam and crankshaft key is another method to increase torque and horsepower within the operating range you select.

Product Features:
  • Increases Low-End Torque
  • Increases Mid-Range Horsepower
  • Reduces Low-End Torque
  • Increases Top-End Horsepower
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Spectre – SBC Aluminum Timing Cover (Part No.4935)

SBC Aluminum Timing Cover

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$99.99
The Spectre Timing Cover Kit is designed to protect components such as timing gears and chain or belt. This timing cover features a polished aluminum finish, and is engineered for optimum fit and function.

Product Features:
  • Fits Small Block Chevrolet 283-400
  • Polished aluminum construction
  • Made from lightweight aluminum
  • Includes cover, bolts, gaskets and seal
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Felpro – Engine Conversion Gasket Set (Part No.CS 8006-2)

Engine Conversion Gasket Set

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$35.49
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:
  • Conversion Sets (CS) provide every gasket for lower engine work – add a Head Set (HS) for complete engine overhaul work
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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Edelbrock – Pushrod Set for S/B Chevy (Part No.9630)

Pushrod Set for S/B Chevy

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$189.99


Product Features:
  • Case-Hardened Tubing
  • Welded Ends
  • 5/16 in. Diameter
  • Use with or without Hardened Steel Guideplates
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Sealed Power – Engine Piston (Part No.WH423DCP)

Engine Piston

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$20.49
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:
  • Hypereutectic
  • Made w/exclusive FM425 material for excellent strength & scuff resistance – allows tighter bore and improves sealing for less blow-by
  • Sophisticated “barrel” profiles help optimize oil wedge between skirt and wall.
  • Piston skirts protected by next-gen DUROSHIELD« coating.
  • TAC┐ ring groove geometry
  • Weight matched to +/- 2 grams.
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Mr. Gasket – Cylinder Head Dowel Pins (Part No.4377)

Cylinder Head Dowel Pins

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$17.79
Big Block Chevrolet tubular head dowel, .638/.639 inch o.d. (outer diameter) by 1/2 inch. Packaged two per set. These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly.

Product Features:
  • Precision Machined
  • Case Hardened
  • Give Accurate Alignment
  • 2 Per Set
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Sealed Power – Engine Valve Lifter (Part No.HT-817B)

Engine Valve Lifter

from

$5.29
Engine Valve Lifter

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

Fuel Pump Mounting Gasket

from

$2.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
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Sealed Power – Engine Rocker Arm Kit (Part No.R-826)

Engine Rocker Arm Kit

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$3.49
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:
  • Complete rocker arm assembly
  • 1 Arm
  • 1 Ball
  • 1 Nut
  • Utilizes ISO & QS certified manufacturing
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Sealed Power – Engine Oil Pump Screen (Part No.224-1246)

Engine Oil Pump Screen

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$14.49
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:
  • Manufactured to fit a specific application
  • Provides the lubrication oil as well as protection for your oil pump from materials that find their way into the engine oil supply system
  • It is recommended that a new properly installed oil pump pick-up tube/screen be a part of every oil pump installation
  • Oil pump screen assemblies are manufactured under strict quality guidelines
  • Utilizes ISO & QS certified manufacturing
  • 5/8″ Inlet tube
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PowerBond – Premium OEM Replacement Harmonic Balancer; 203mm Diameter (Part No.PB1018N)

Premium OEM Replacement Harmonic Balancer; 203mm Diameter

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$62.99
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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Edelbrock – Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel (Part No.4649)

Signature Series Valve Covers: Small Block Chevy 262-400 1959-86, Chrome Steel

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$72.99
The Edelbrock #4649 Signature Series Valve Covers are designed for Chevrolet 262-400 ’59-86 applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.

Product Features:
  • Small Block Chevy 262-400 1959-86
  • Tall
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
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Melling – Stock Replacement Type Oil Pump Intermediate Shaft (Part No.IS-55E)

Stock Replacement Type Oil Pump Intermediate Shaft

from

$20.99
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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Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-5/8 In., Height 0.500 (Part No.362657.1)

Steel Cup Expansion Plug 1-5/8 In., Height 0.500

from

$2.29
This engine expansion plug 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 expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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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Felpro – Engine Oil Pan Gasket Set Blue Stripe cork-rubber (Part No.OS 5197 C-2)

Engine Oil Pan Gasket Set Blue Stripe cork-rubber

from

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

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SUPERIOR SEAL — Manufactured with rubber compounds to ensure a consistent and long-life seal across the entire oil pan
  • PREVENTS OVERTIGHTENING — Torque limiters help eliminate overtightening and gasket splitting and extruding (where applicable)
  • OE-STYLE REPLACEMENT GASKET — Engineered for OE-style molded rubber gasket replacement
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • ENGINEERING EXPERTISE — Parts are designed, tested, validated and approved by Fel-Pro engineers through rigorous research and development
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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 644 aftermarket and OEM Engine Parts for your GMC G25, ranging from $0.30 to $9,081.99.

We offer parts from 24 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 21,307 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 24 trusted brands. You’ll find OEM and aftermarket parts from brands like FELPRO, Sealed Power, 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; Chev 400 70-78 Engine
from $2619.99
(1147)
Engine Long Block; Chev 400 70-78 Engine
Remanufactured Engines
Engine Long Block; Chev 350 64-85 H.P. Mid-Drss
from $4158.99
(32)
Engine Long Block; Chev 350 64-85 H.P. Mid-Drss
Remanufactured Engines
Engine Long Block; Chev 350 4 BLT 325HP Base
from $3114.99
(6)
Engine Long Block; Chev 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 644 Engine Parts for the GMC G25, the most popular in our inventory are:
Engine Valve Lifter
from $13.99
(15)
Engine Valve Lifter
Engine Valve Lifters
Engine Push Rod
from $2.99
(5)
Engine Push Rod
Push Rods
Fuel Pump Mounting Gasket
from $2.99
(26)
Fuel Pump Mounting Gasket
Fuel Pump Flange Gaskets

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 $25.99
(45)
Engine Valve Cover Gasket Set
“Good fit”
Engine Oil Pan Gasket Set PermaDryPlus rigid carrier, Oil Pan SnapUps Included
from $41.99
(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.”
Engine Cylinder Head Bolt Set
from $31.99
(38)
Engine Cylinder Head Bolt Set
“Great product at a great price!!!!”