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GMC OEM Timing Belts & Chains

Introduction

Timing belts and timing chains are critical engine components responsible for synchronizing the rotation of the crankshaft and camshaft to ensure proper valve timing and engine operation. Accurate timing is essential for maintaining engine performance, fuel efficiency, and reliability under all driving conditions.

GMC timing belts and timing chains are engineered for precise factory fitment, dependable timing accuracy, and long-term durability. Genuine OEM timing components are specifically designed to work seamlessly with camshafts, crankshafts, tensioners, guides, sprockets, and other internal engine systems to maintain smooth and efficient engine performance.

Over time, timing belts can wear, crack, stretch, or deteriorate, while timing chains and related components may loosen, wear, or develop excessive slack due to heat, friction, oil contamination, and regular engine operation. A failing timing system can lead to poor engine performance, misfires, unusual engine noise, or severe internal engine damage if timing is lost. Replacing worn components with genuine OEM GMC timing belts and chains helps restore proper engine synchronization, dependable performance, and long-term reliability.

Unlike many aftermarket alternatives, genuine OEM GMC timing components are specifically designed for your vehicle’s engine configuration, timing specifications, and operating requirements.

Benefits of GMC OEM Timing Belts & Chains

Factory-engineered for precise GMC engine timing fitment and compatibility

Helps maintain accurate valve timing and engine synchronization

Supports reliable engine performance and fuel efficiency

Designed to integrate seamlessly with OEM timing components and engine systems

Durable construction built to withstand heat, friction, and continuous engine operation

Helps reduce the risk of timing-related engine damage

Compatible with factory tensioners, guides, sprockets, and seals

Maintains original GMC engine reliability and performance standards

When to Replace Your GMC Timing Belt or Timing Chain

Timing belts, chains, and related components are exposed to constant engine rotation, heat cycles, pressure, and lubrication conditions during normal operation. Over time, wear and deterioration can affect timing accuracy and engine performance.

Failing timing components can lead to drivability issues, engine noise, or catastrophic engine damage if not replaced in time. Replacing worn timing parts helps maintain safe engine operation and long-term reliability.

Common signs include:

Rattling, ticking, or unusual engine timing noise

Engine misfires or rough idle

Loss of engine power or poor acceleration

Check engine light or timing-related fault codes

Difficulty starting the engine

Visible belt wear, cracking, or contamination

Engine performance issues caused by improper timing

For best results:

Replace worn timing belts and chains with genuine OEM GMC components for factory-correct timing performance and fitment

Inspect tensioners, guides, water pumps, seals, and related engine components during service

Follow manufacturer-recommended replacement intervals for timing belts

Address timing system noise or performance issues early to help prevent major engine damage

Find the Right GMC Timing Belts & Chains

Your GMC’s engine depends on properly functioning timing components designed to maintain precise synchronization and dependable performance under demanding operating conditions. Genuine OEM GMC timing belts and chains are engineered to deliver long-lasting durability, accurate timing control, and factory-level reliability.

Whether you are performing scheduled maintenance, repairing timing system wear, or restoring engine performance, genuine OEM GMC timing components help provide the fitment, strength, and reliability your vehicle was built to deliver.

VIP Promise

VIP Promise

Factory OEM parts. Verified fit. Trusted support.

Manufacturer Warranty

Full Manufacturer Warranty

Genuine parts backed by factory warranty.

Guaranteed Fit

Guaranteed Fit

Submit your VIN. We confirm fit before shipping.

Returns

30 Day Returns

30 days from delivery.

Largest OEM Catalog

Largest OEM Catalog

One of the largest OEM inventories online.

Expert Support

Expert Support

Specialists ready to help.

12713640 - : Driver Side Timing Chain Tensioner for GM Image

Driver Side Timing Chain Tensioner

Provides consistent tension to help keep engine running in proper time
$49.54
MSRP $74.28
Save $24.74
33.3% Off
12713639 - : Passenger Side Timing Chain Tensioner for GM Image

Passenger Side Timing Chain Tensioner

Provides consistent tension to help keep engine running in proper time Manufactured to GM OE specification for fit, form, and...
$46.17
MSRP $69.22
Save $23.05
33.3% Off
89060424 - : Engine Timing Chain Tensioner Seal for GM Image

Engine Timing Chain Tensioner Seal

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$31.57
MSRP $47.33
Save $15.76
33.3% Off
11612158 - : Engine Timing Chain Tensioner Bolt for GM Image

Engine Timing Chain Tensioner Bolt

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$2.70
MSRP $4.05
Save $1.35
33.3% Off
55505985 - : Timing Chain Tensioner Shoe Bolt for GM Image

Timing Chain Tensioner Shoe Bolt

Fastens vehicle's components together This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$4.80
MSRP $7.20
Save $2.40
33.3% Off
90531119 - : Engine Timing Chain Guide Pin for GM Image

Engine Timing Chain Guide Pin

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.64
MSRP $8.47
Save $2.83
33.4% Off
24585065 - : Timing Belt Front Cover Seal for GM Image

Timing Belt Front Cover Seal

2.8L turbo diesel. Express, savana. Outer. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed...
$39.09
MSRP $58.61
Save $19.52
33.3% Off
12666740 - : Engine Timing Chain Oil Nozzle for GM Image

Engine Timing Chain Oil Nozzle

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$6.82
MSRP $10.23
Save $3.41
33.3% Off
90531117 - : M6x1x25.5 Engine Timing Chain Guide Bolt for GM Image

M6x1x25.5 Engine Timing Chain Guide Bolt

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$5.15
MSRP $7.70
Save $2.55
33.1% Off
11546879 - : M6x1x33 Engine Timing Chain Guide Bolt for GM Image

M6x1x33 Engine Timing Chain Guide Bolt

Fastens vehicle's components together This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by...
$3.19
MSRP $4.78
Save $1.59
33.3% Off
12666052 - : Passenger Side Timing Chain Tensioner Shoe for GM Image

Passenger Side Timing Chain Tensioner Shoe

CT6. Right. Arm, tension. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$30.68
MSRP $46.00
Save $15.32
33.3% Off
96351471 - : Front Lower Timing Belt Cover Seal for GM Image

Front Lower Timing Belt Cover Seal

Outer. Lower. Aveo. 2007-08. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General...
$3.35
MSRP $5.02
Save $1.67
33.3% Off

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