12621505 12655420 Timing Chain Kit Oil Water Pump 22 Pieces Replacement

Product Overview

This 22-piece timing chain kit with oil pump and water pump is an aftermarket replacement part intended for the listed General Motors applications and cross-references part numbers 12621505 and 12655420. A timing chain kit provides the chain and related timing components used to maintain valve and piston synchronization within an engine, while the oil pump and water pump support lubrication and cooling system operation. The included pumps serve the normal functions of circulating engine oil and circulating coolant through the engine.

Key Features & Performance

• The timing chain and related components work together to keep the camshaft and crankshaft synchronized during engine operation.
• The oil pump circulates engine oil through the lubrication system to support normal engine operation.
• The water pump circulates coolant through the engine cooling system to support normal temperature regulation.
• Cross-references part numbers 12621505 and 12655420 for comparison with the corresponding original component.
• Sold as a 22-piece set intended for timing system service that includes oil pump and water pump replacement.

Fitment & Compatibility

• for applications referencing part number 12621505
• for applications referencing part number 12655420
• for General Motors L4 2.0L and 2.4L engine applications

Common Uses

• Replacing worn or stretched timing chain components during engine repair.
• Servicing the timing, lubrication, and cooling systems when the corresponding components are being replaced.
• Restoring normal timing, oil circulation, and coolant circulation function after the original components have failed.

Technical Specifications

• Product Type: Timing Chain Kit with Oil Pump and Water Pump
• Part Number(s): 12621505, 12655420
• Model Application(s): General Motors L4 2.0L and 2.4L engines
• General Application: Engine timing, lubrication, and cooling system service

Frequently Asked Questions

Q: What does a timing chain kit with oil and water pump do? A: The timing chain kit keeps the camshaft and crankshaft synchronized, the oil pump circulates engine oil for lubrication, and the water pump circulates coolant to support normal engine temperature regulation.

Q: How do I verify fitment? A: Compare the complete existing part number and the complete engine model designation from the vehicle with the part numbers and applications shown before ordering.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.