4W2471 Outer Valve Spring Fits Caterpillar Industrial Construction Models

One New Aftermarket Replacement Outer Valve Spring Fits Caterpillar (Fits CAT) 3406 Series Engines

This aftermarket replacement outer valve spring Fits Caterpillar (Fits CAT) 3406, 3406B, and 3406C diesel engines, used in the cylinder head assembly of engines equipped with dual valve springs. The outer spring works in tandem with an inner spring to maintain precise valve control and isolate vibration in the cylinder head.

Specifications

• Spring Type: Outer (dual spring application)
• Free Length: 59.46 mm (approx. 2.341 in)
• Outer Diameter (OD): 37.31 mm
• Wire Diameter: 5.08 mm
• Solid Length: 36.42 mm
• Spring Rate: 39.28 N/mm
• Installed Height: 2.165 in (intake and exhaust)
• Open Test Pressure: 191 lbs at 1.665 in
• Close Test Pressure: 74-81 lbs at 2.165 in
• Engine Displacement: 14.6L (893 CID), 6-cylinder inline diesel
• Weight: approx. 0.2 lbs

Compatible Models

Fits Caterpillar Engine Applications (3406 Series): 3406, 3406A, 3406B, 3406C (Gen Set, Industrial, Marine, Truck applications)

Fits Caterpillar Articulated Dump Truck: D350E, D400, D400D, D400E, D40D, D35HP

Fits Caterpillar Cold Planer: PM-465

Fits Caterpillar Excavator: 375, 375-A, 375-A L

Fits Caterpillar Front Shovel: 5080

Fits Caterpillar Landfill Compactor: 826C, 826G, 826G II

Fits Caterpillar Motor Grader: 16G, 16H NA

Fits Caterpillar Pipelayer: 578, 583R, 587R

Fits Caterpillar Road Reclaimer / Soil Stabilizer: RR-250, RR-250B, SS-250, SS-250B, RM-350B

Fits Caterpillar Scraper / Wheel Tractor-Scraper: 621B, 621E, 621F, 623B, 623E, 623F, 627E, 627F

Fits Caterpillar Soil Compactor: 825G

Fits Caterpillar Track-Type Tractor (Bulldozer): D8 GC, D8GC, D8N, D8R, D8R II

Fits Caterpillar Wheel Dozer: 814B, 824G, 824G II

Fits Caterpillar Wheel Loader: 980C, 980F, 980F II, 980G, 980G II

Fits Caterpillar Other: 245B, 245D, 57H, 8, 8A, 8SU, 8U, HT400, SR4, SR4B

Replaces Part Number(s):

4W2471, 4W-2471

Aftermarket Interchange Numbers

ENL80-0180, CA4W2471, PAI 392043

New aftermarket replacement part - not remanufactured, not used.