Adapter 4N6257 for Caterpillar Equipment

Adapter 4N6257 is an O-ring adapter used in the engine oil cooling system of Caterpillar equipment. It provides a sealed connection between the inlet cover and the oil cooler core assembly. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Generator: SR4, SR4B
• Wheel-type loader: 980C, 980F, 980F II, 980G, 980G II, 988G
• Wheel tractor-scraper: 621, 621B, 621E, 621F, 621G, 623B, 623E, 623F, 623G, 627B, 627E, 627F, 627G, 631D, 631E, 631G, 633D, 633E II, 637D, 637E, 637G
• Earthmoving compactor: 825, 825C, 825G, 826C, 826G, 826G II, 836G
• Marine product: 3406, 3406B
• Wheel dozer: 814B, 824C, 824G, 824G II, 824S, 834G
• Cold planer: PM-465
• Load, haul, dump: R2900
• Motor grader: 16G, 16H NA
• Engine truck: 3406, 3406B, 3406E
• Articulated dump truck: 735, 740, D350E, D350E II, D35HP, D400, D400D, D400E, D400E II, D40D
• Track-type tractor: 57H, 8, 8A, 8SU, 8U, D8, D8GC, D8N, D8R, D8R II, D8T, GC
• Road reclaimer: RM-250C, RM-350, RM-350B, RM-500, RR-250, RR-250B, SM-350, SS-250, SS-250B
• Pipelayer: 578, 583R, 583T, 587R, 587T, PL83, PL87
• Industrial engine: 3116, 3406, 3406B, 3406C, 3406E, 3456, C-15, C-16, C15, C18, G3406, HT400
• Excavator: 245, 245B, 245D, 375-A, 375-A L, 5080
• Engine-generator set: 3406, 3406B, 3406C, C18, G3406, POWER SYS, SR4
• Track-type loader: 983B

Cross-reference numbers

• 4N-6257
• 4N6257

Specifications

• Part type: O-ring adapter
• Application: connection between the inlet cover and oil cooler core assembly
• Material: cast iron
• O-ring grooves: included in the adapter design
• Compatible cap internal diameter: 113.79 mm (4.47 in.)
• Length: 11.8 cm
• Width: 5 cm
• Depth: 12 cm