2657538 Bdg-Float Exh Fits Caterpillar Models

One New Aftermarket Replacement Exhaust Valve Floating Bridge for Caterpillar (Cat) 3500 Series Engines

This aftermarket replacement exhaust floating bridge (valve bridge) fits Caterpillar 3500-family diesel engines. The exhaust valve bridge allows the rocker arm to operate two exhaust valves simultaneously, maintaining precise valve timing and combustion performance in heavy-duty applications. Part number 2657538 (formatted as 265-7538) supersedes the older Caterpillar part number 2303152.

Specifications

• Length: 8 in (203.2 mm)
• Width: 5 in (127 mm)
• Height: 0.7 in (17.78 mm)
• Weight: 0.51 lbs (0.23 kg)

Compatible Models

Caterpillar Engine - Generator Set: 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3512E, 3516, 3516B, 3516C, 3516E, XQC1200, XQC1600, PM3508, PM3512, PM3516, PP3516

Caterpillar Engine - Industrial: 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3512E, 3516, 3516B, 3516C, 3516E, SPF343, SPF343C, SPF743, SPS343, SPT343, 3561B

Caterpillar Engine - Marine: 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C

Caterpillar Petroleum Products: 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3512E, 3516B, 3516C, TH48-E70, TH48-E80, CX48-P2300

Caterpillar Off-Highway Trucks: 776C, 776D, 777, 777B, 777C, 777D, 784C, 785, 785B, 785C, 785D, 785G, 789, 789B, 789C, 789D, 789G, 793B, 793C, 793D, 797, 797B

Caterpillar Wheel Dozer: 854G

Caterpillar Track-Type Tractor: D11N, D11R

Caterpillar Wheel-Type Loader: 992G, 994, 994D, 994F, 994H, 994K

Caterpillar Excavator: 5130, 5130B, 5230, 5230B

Caterpillar Expanded Mining Products: 6060, MD6540C

Caterpillar Generator: SR4, SR4B, SR4BHV, SR5

Replaces Part Number(s):

2657538, 265-7538, 2303152

New aftermarket replacement part - not remanufactured, not used.