5F3112 Outer Valve Spring Fits Caterpillar Engines D315
5F3112 Outer Valve Spring Fits Caterpillar Engines D315
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One New Aftermarket Replacement Outer Valve Spring Fits Caterpillar (Fits CAT) D315 and D318 Engines
This aftermarket outer valve spring is a direct replacement for the valvetrain assembly in Fits Caterpillar D315 and D318 diesel engines. Valve springs work in tandem with the camshaft to ensure precise valve closure after each combustion cycle -- the outer spring works alongside the inner spring (5F3111) as a dual-spring setup to maintain proper valve seating and prevent float under load. Used during engine overhauls and top-end rebuilds on classic Fits CAT crawler tractors, loaders, and industrial power units.
Compatible Models
Fits Caterpillar Engine: D315 (4-cylinder, 312 CID, 4.500 bore x 5.500 stroke), D318 (6-cylinder, 525 CID)
Fits Caterpillar Equipment (D315 engine): 955, 977, D4 Crawler Tractor (U-series)
Replaces Part Number(s):
5F3112, 5F3112-A, ENL80-0214
New aftermarket replacement part - not remanufactured, not used.
