Fuel Injector Seal Cummins 3923261 | 3919725, J919725, J923261, 75288070

High-Quality Fuel Injector Seal for Cummins Engines

The Cummins 3923261 Fuel Injector Seal is a critical component designed to provide a reliable, high-pressure seal between the fuel injector and the cylinder head. Manufactured from premium copper, this washer prevents combustion gas leaks and ensures optimal performance of your diesel engine’s fuel injection system.

Product Specifications:

• Part Number: 3923261
• Material: Copper
• Dimensions: 15 mm (Outer Diameter) x 7.5 mm (Inner Diameter) x 2.5 mm (Thickness)
• Compatible Engine Models: Cummins 4BT 3.9, Cummins 6BT 5.9, Cummins 6CT 8.3

Why Choose This Injector Seal?

• Durable Copper Construction: Offers excellent thermal conductivity and malleability to create a perfect, gas-tight seal under extreme engine temperatures and pressures.
• Exact Fitment: Engineered to meet precise dimensional standards (15×7.5×2.5 mm) for hassle-free installation.
• Prevents Costly Leaks: Replacing worn injector seals prevents blow-by, power loss, and carbon buildup around the injectors.