Description: Cat Reman prechambers, or pre-ignition chambers, ensure complete diffusion of the fuel in the cylinder. Cat Reman prechamber kits such as part # 20R-6628 simplify the repair process by packaging all the parts, seals and gaskets you’ll need under a single part number. Cat Reman prechambers use the larger diameter mid-flange design to improve the sealing surface between the prechamber and the cylinder head while precision-machined nozzle geometry provides the correct fuel flow. Remanufactured cores are completely disassembled, thoroughly cleaned, and inspected for quality and durability. Each unit is rigorously tested against original specifications, so you know you’re getting genuine Caterpillar reliability. This kit includes Cat Reman check valve, prechamber assembly, seals and gaskets. • You're buying less downtime and lower repair bills, helping you reduce owning and operating costs. • Cat Reman prechamber kits include Cat Reman check valves and Cat Reman prechambers which provide like new performance and reliability at fraction-of-new costs with return of a qualifying core, while reducing the impact on the environment compared to buying new. • Cat Reman prechamger kits are covered with a same-as-new, 12-month Caterpillar Limited Warranty 1 against Caterpillar defects in material and/or workmanship. • Cat Reman offers drop-in solution. 1 Warranty can vary by model and application; limitations apply. For complete details about the applicable Caterpillar Limited Warranty, contact an authorized Cat dealer. Application: G3600