Performance Oil Pump Timing Chain & Water Pump Kit for Chevrolet Suburban 2500 (2000-2002) 6.0L

High-Volume Performance Oil Pump, Timing Chain & Water Pump Kit for 2000-2002 Chevrolet Suburban 2500 (GMT800)

What it Does: The Performance Oil Pump, Timing Chain & Water Pump Kit refreshes and reinforces the critical front-drive lubrication, timing, and cooling assemblies on the 2000-2002 Suburban 2500 to restore oil pressure stability and ensure precise valvetrain synchronization.

The Stock Chevrolet Suburban 2500 Front-Drive Weaknesses

Factory GMT800 trucks running the high-displacement Vortec 6000 (LQ4) engine are notorious for oil pressure drop-off at elevated mileage due to stuck pressure relief valves and internal housing cavitation within the cast OEM oil pump. Furthermore, prolonged heavy towing cycles subject the single-roller factory timing chain to torsional harmonic stretch, inducing cam-timing retard and erratic spark timing. Concurrently, factory water pump mechanical impeller seals and bearings degrade from sustained heat cycles, risking coolant contamination and catastrophic thermal runaway under load.

The Engineering Solution

This master service kit addresses multiple mechanical weak points by bundling precision-machined, heavy-duty replacement hardware. The high-performance gerotor oil pump features tighter gear-to-cover clearances to eliminate bypass leakage, maintaining stable hydrodynamic oil film over crank journals under extreme load. The timing assembly integrates heat-treated, induction-hardened sprockets paired with a pre-stretched, high-tensile timing chain to virtually eliminate mechanical backlash and cam drift. Complementing the bottom-end overhaul, the upgraded water pump incorporates an efficient cast impeller and heavy-duty unitized shaft bearings to optimize coolant flow through the block, sealed via premium timing cover gaskets and multi-lip elastomer O-rings.

What's Included

• 1 Oil Pump
• 1 Timing Chain Kit (chain and sprockets)
• 1 Timing Cover Gasket Set
• 1 Water Pump
• Assorted seals and O-rings

Technical Specifications

Compatibility

• 2000 Chevrolet Suburban 2500 Base / LS / LT (6.0L V8 OHV)
• 2001 Chevrolet Suburban 2500 Base / LS / LT (6.0L V8 OHV)
• 2002 Chevrolet Suburban 2500 Base / LS / LT (6.0L V8 OHV)

Frequently Asked Questions & Fitment Warnings

Does this fit the GMT800 Suburban 2500?

Yes, this is a direct fit for the 2000-2002 Chevrolet Suburban 2500 equipped with the Vortec 6000 LQ4 engine. Confirm you have the 6.0L V8 OHV configuration, as it does not fit 8.1L big-block models.

Do I need to prime the oil pump before initial engine start-up?

Yes, the oil pump cavity must be hand-packed with clean assembly lube or pre-primed with engine oil to ensure instant suction and prevent dry-start scuffing.

The Chevrolet Heavy-Duty Standard

Built to handle severe-duty commercial hauling and heavy trailer tongue weights, this complete front-drive kit ensures your three-quarter-ton GM platform maintains optimal oil pressure and cooling system reliability across hundreds of thousands of miles.