This High Volume Oil Pump and Timing Chain Kit is designed for compatible GM LS-series V8 engines. It helps restore proper oil circulation, maintain stable oil pressure, and ensure accurate engine timing operation by replacing worn or damaged oil pump and timing components.

Featuring a high volume and high pressure oil pump design, this kit provides reliable lubrication performance for 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L V8 engines. Manufactured with durable materials and precision-engineered components, it offers a complete replacement solution for engine oil pump and timing system service.

Product Features  产品特点

High Volume & High Pressure Oil Pump

Designed to increase oil flow and maintain stable oil pressure, helping improve engine lubrication and protect internal engine components during operation.

Complete Timing System Kit

Includes essential timing components such as timing chain, camshaft gear, crankshaft sprocket, and timing cover gasket set for a complete repair solution.

OE-Style Direct Replacement

Designed to replace original oil pump and timing components with matching reference numbers for proper fitment and reliable installation.

Durable Construction

Manufactured using high-quality materials to provide excellent wear resistance, heat resistance, and long-term durability under demanding engine conditions.

Wide Engine Compatibility

Compatible with GM LS-series engines including LS1, LS2, LS3, LQ4, LM7, L96, and LR4 applications.

Vehicle Compatibility  

Chevrolet Applications

Engine Compatibility  

Engine Codes:

LS1
LS2
LS3
LQ4
LM7
L96
LR4

Compatible Engine Sizes:

4.8L V8
5.3L V8
5.7L V8
6.0L V8
6.2L V8

OE / Reference Numbers  OE 

OE / Replacement Numbers

12557840
12696357
12586665

Reference Number

TCS45993

Package Includes 

1 × High Volume Oil Pump

1 × Timing Chain (60 Link)

1 × 3-Bolt Camshaft Gear (44 Teeth)

1 × Crankshaft Sprocket (22 Teeth)

1 × Timing Cover Gasket Set

Important Notes 

Please verify your vehicle year, make, model, engine code, and part number before purchase to ensure compatibility.

This kit is designed for compatible GM LS-series V8 engines. Professional installation is recommended for proper installation and engine performance.

Warranty  

AUCERAMIC provides reliable product support. If you have any questions regarding product quality, installation, or compatibility, please contact our customer service team. We will provide assistance and help resolve your concerns.