REQUIRED For Replacement labeled Engines, Long Blocks, and short blocks sold within the U.S. and U.S. Territories the engine core (i.e. old engine) that is removed MUST be returned to your selling Caterpillar dealer, so that they can return to Caterpillar  OR  destroy, as required by law. Proof of return or destruction will then be provided to the EPA and or California ARB if required. See PELJ1301 for additional details.

Cat Reman long blocks such as part # 20R6108 are an assembled block, crankshaft, rod and pistons, cylinder head, camshaft, valve train, front housing, and lifting eyes. Cat Reman long blocks are disassembled, thoroughly flushed to meet rigid cleanliness standards, and inspected for cracks, erosion, or other damage. Block top decks and cylinder head bottom decks are resurfaced to original specifications. Crankshafts are reground, polished, and checked for lift endplay. All bearings, seals, gaskets and piston rings are replaced with new Cat parts. Long blocks are tested electronically for consistent quality and long life.

Attributes:

• You're buying less downtime and lower repair bills, helping you reduce owning and operating costs.
• Cat Reman long blocks 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 long blocks 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.