GMC C25 Engine Timing Parts

Your One-Stop Shop For Trusted GMC C25 Engine Timing Parts

If you’re in search of GMC C25 Engine Timing Parts aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 114 Engine Timing Parts from top brands with prices ranging from $6.99 to $399.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Timing Parts for your GMC C25. Of the 11 OEM and aftermarket parts brands we carry, some of the most popular are Competition Cams, Cloyes, and National.

And don’t forget to read customer reviews across all Engine Timing Parts categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Engine Timing Parts have to cost top dollar, and we prove it. Browse our top GMC C25 Engine Timing Parts below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential GMC C25 Engine Timing Parts

Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S390T)

Engine Timing Camshaft Sprocket

from

$10.49
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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Cloyes Gear – Engine Timing Camshaft Sprocket (Part No.S394)

Engine Timing Camshaft Sprocket

from

$19.99
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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National – Engine Harmonic Balancer Kit (Part No.5000)

Engine Harmonic Balancer Kit

from

$28.99
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:
  • Includes timing cover seal and harmonic balancer sleeve
  • Solves the oil leaking around timing cover seal
  • Made of stainless steel
  • Takes up gaps caused by worn-out harmonic balancer shafts
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Victor Reinz – Engine Timing Cover Seal (Part No.19-10358-01)

Engine Timing Cover Seal

from

$29.49
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.
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National – Multi Purpose Seal (Part No.3945)

Multi Purpose Seal

from

$13.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Mr. Gasket – Timing Tab (Part No.4594)

Timing Tab

from

$16.99
These chromed timing tab finish your engine’s a completely customized look.

Product Features:
  • Timing tabs
  • Chrome plated; skin packaged
  • Balancer
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Dorman – Timing Cover Timing Mark (Part No.635-550)

Timing Cover Timing Mark

from

$8.99
This engine timing tab is designed to match the fit and function of the original tab on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine timing tab is designed to match the fit and function of the original tab on specified vehicles
  • Restores functionality – reliable replacement for an original part that has failed due to corrosion or a broken weld
  • 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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Mr. Gasket – Timing Tab (Part No.4592)

Timing Tab

from

$6.99
These chromed timing tab finish your engine’s a completely customized look.

Product Features:
  • Timing tabs
  • Chrome plated; skin packaged
  • Balancer
See More

Cloyes Performance – High Performance Timing Chain (Part No.9-146)

High Performance Timing Chain

from

$18.99
Street Performance 3/8″ Pitch Double Roller Replacement True Roller Chain. Seamless 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life. USA Made.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends 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
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
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Cloyes Performance – High Performance Timing Chain (Part No.9-130Z)

High Performance Timing Chain

from

$119.99
Premium High Performance 3/8″ Pitch Double Roller Replacement True Roller “Z” Chain. 0.250″ Roller Diameter. Approximately 33% Overall Increased Strength Over the Standard High Performance Chain. Featuring a Press Fit Center Link design that Increases Load Distribution. Heat Treated and Processed Links to Maximize Ulitimate Breaking Strength while Remaining Ductile for Toughness. Prestressed to Increase Fatigue Life.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends 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
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
See More

Cloyes Performance – High Performance Timing Chain (Part No.9-135)

High Performance Timing Chain

from

$66.99
High Performance 3/8″ Pitch Double Roller Replacement TRUE Roller Chain. 0.250″ Roller Diameter. Heat Treated and Processed Links to Maximize Ultimate Breaking Strength while Remaining Ductile for Toughness. Pre-stressed to Increase Fatigue Life.

Product Features:
  • A timing chain synchronizes the rotation of the crankshaft and camshaft(s), ensuring proper timing of the engines valve events for each cylinder
  • Our chains are engineered and manufactured with precision pitch control for proper chain-to-sprocket tooth fitment
  • From stock replacement to high performance, Cloyes has the most complete timing chain catalog
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes recommends 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
  • Refer to our online catalog for detailed application-specific information
  • Keep your engines valvetrain in perfect time with Cloyes, the world leader in timing drive systems
See More

Cloyes Performance – Engine Timing Cover (Part No.9-229)

Engine Timing Cover

from

$222.99
QUICK BUTTON Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding QUICK ADJUST). Includes Fully Rollerized Endplay Adjustable Cam Button. A Perfect Compliment to Your HEX-A-JUST Timing Set for Easy Access Camshaft Timing Adjustments.

Product Features:
  • QUICK BUTTON Aluminum Two-Piece Timing Cover for Most Timing Chain Systems (Excluding QUICK ADJUST)
  • Includes Fully Rollerized Endplay Adjustable Cam Button
  • A Perfect Complement to Your HEX-A-JUST Timing Set for Easy Access Camshaft Timing Adjustments.
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Cloyes Performance – Engine Timing Cover (Part No.9-226B)

Engine Timing Cover

from

$68.99
Machined Aluminum Center Plate; Threaded for Rollerized Cam Button; Grooved for O-Ring Seal; Meets or exceeds OEM performance requirements; Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.

Product Features:
  • Machined Aluminum Center Plate
  • Threaded for Rollerized Cam Button
  • Grooved for O-Ring Seal
  • Meets or exceeds OEM performance requirements
  • Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.
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Cloyes Performance – Engine Timing Cover (Part No.9-221B)

Engine Timing Cover

from

$47.99
Machined Aluminum Center Plate; Threaded for Rollerized Cam Button; Grooved for O-Ring Seal; Meets or exceeds OEM performance requirements; Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.

Product Features:
  • Machined Aluminum Center Plate
  • Threaded for Rollerized Cam Button
  • Grooved for O-Ring Seal
  • Meets or exceeds OEM performance requirements
  • Cloyes utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience.
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Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S391)

Engine Timing Crankshaft Sprocket

from

$8.49
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
See More

Cloyes Gear – Engine Timing Crankshaft Sprocket (Part No.S395)

Engine Timing Crankshaft Sprocket

from

$13.99
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
See More

Cloyes Gear – Engine Timing Crankshaft Gear (Part No.2527)

Engine Timing Crankshaft Gear

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 gears offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Helical tooth form for quiet operation and precision machined bore for true fit
  • CAD designed and manufactured using premium materials to ensure optimal performance
  • 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
See More

Felpro – Engine Timing Cover Repair Sleeve (Part No.16202)

Engine Timing Cover Repair Sleeve

from

$11.29
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:
  • Engine$aver Hardware cost-saving application
  • Repairs worn sealing surfaces to assure a leak free repair
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Validated for fit, form, and function
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Felpro – Engine Timing Cover Repair Sleeve (Part No.16205)

Engine Timing Cover Repair Sleeve

from

$11.29
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:
  • Engine$aver Hardware cost-saving application
  • Repairs worn sealing surfaces to assure a leak free repair
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
  • Validated for fit, form, and function
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Cloyes Performance – High Performance Timing Set (Part No.9-3110A-10)

High Performance Timing Set

from

$267.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – Engine Timing Set (Part No.C-3023SP)

Engine Timing Set

from

$33.99
Sprockets Are Made From High Alloy Steel, And Heat-Treated For Durability. Chain Is Pre-Stressed And Heat-Treated For Longevity.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Gear – Engine Timing Gear Set (Part No.2528S)

Engine Timing Gear Set

from

$66.99
Timing Gear Set includes all components for a quick and efficient replacement

Product Features:
  • Utilizes the latest in design and technology to offer complete chain sets
  • 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, ensuring a quiet and maintenance-free experience
  • Refer to our online catalog for detailed application-specific information
  • Set Includes: Camshaft Gear, Crankshaft Gear.
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Cloyes Performance – Engine Timing Set (Part No.9-1100SP)

Engine Timing Set

from

$44.99
Steel Cam Sprocket. Heat-Treated Crank Sprocket With Three Keyways. True Roller Chain With .250 Diameter. 100% USA.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience.
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Cloyes Performance – High Performance Timing Set (Part No.9-3110A-5)

High Performance Timing Set

from

$267.99
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250″ Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.

Product Features:
  • The complete kits, which meet or exceed OEM performance requirements, ensure a quiet and maintenance-free experience
  • Cloyes parts are CAD designed and manufactured using premium materials. Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Cloyes Timing Kits may include camshaft sprockets, crankshaft sprockets, timing chains, tensioners, and guides
  • Refer to our online catalog for detailed application-specific information
  • Keep your engine’s valve train in perfect time with Cloyes, the world leader in timing drive systems.
See More

Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7800)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$62.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
  • Not for OEM Hydraulic Roller-Lifter Camshaft Eng.
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Engine Timing Parts Brands You Can Trust For Your GMC C25

11 trusted brands of Engine Timing Parts line our shelves, ready to help keep your GMC C25 running smooth. Below are some of the most popular brands and their top Engine Timing Parts offerings:

Popular National Engine Timing Parts

National products for the GMC C25 span several categories. Some of the highest-rated National Engine Timing Parts that will fit your GMC C25 are:
Engine Harmonic Balancer Repair Sleeve
from $15.29
(5)
Engine Harmonic Balancer Repair Sleeve
Timing Cover Seals
Multi Purpose Seal
from $13.29
(1)
Multi Purpose Seal
Timing Cover Seals

Top GMC C25 Engine Timing Parts from Competition Cams

Your GMC C25 will be purring again thanks to Competition Cams brand Engine Timing Parts available for online order or in-store pick up. Popular Competition Cams parts include:
3-Piece Timing Gear Set
from $77.99
(9)
3-Piece Timing Gear Set
Timing Sets

Most Purchased GMC C25 Engine Timing Parts from Competition Cams

When you buy the most frequently purchased Competition Cams brand Engine Timing Parts, you can be confident it will be the right part for your GMC C25. Here are the Competition Cams Engine Timing Parts Advanced Auto customers buy the most:
3-Piece Timing Gear Set
from $77.99
(9)
3-Piece Timing Gear Set
Timing Sets
Engine Timing Set
from $28.99
This product is not rated
Engine Timing Set
Timing Sets
Engine Harmonic Balancer Repair Sleeve
from $15.29
(5)
Engine Harmonic Balancer Repair Sleeve
Timing Cover Seals

FAQs for GMC C25 Engine Timing Parts

What are the most purchased Engine Timing Parts for the GMC C25?

Out of 114 Engine Timing Parts for the GMC C25, the most popular in our inventory are:
Timing Tab
from $8.99
(1)
Timing Tab
Engine Timing Tabs
Engine Timing Set
from $28.99
This product is not rated
Engine Timing Set
Timing Sets
Engine Timing Chain
from $19.99
This product is not rated
Engine Timing Chain
Timing Chains

What are the top-rated GMC C25 Engine Timing Parts?

Top-rated Engine Timing Parts for your GMC C25 based on customer reviews/ratings are:
Timing Cover
from $35.99
(5)
Timing Cover
“EXCELLENT quality, the chrome looks great on my new chevy 305 engine in my 1981 El Camino.”
Engine Timing Cover Repair Sleeve
from $11.29
(3)
Engine Timing Cover Repair Sleeve
“A+”
Performer-Link Adjustable True-Roller Timing Chain Set
from $62.99
(3)
Performer-Link Adjustable True-Roller Timing Chain Set
“Bolted right on, instructions were spot on. Great purchase. Hard to go wrong with an Edelbrock company product”