CAT 1J9671 SEAL O RIN for 3516B Caterpillar Part - WSTPARTS

WSTPARTS supplies the 1J9671 SEAL O RIN, a CAT Drivetrain replacement part designed for Caterpillar 3516B, 345B and C15 applications. It is categorized under Drivetrain. Every unit is fitment-verified before dispatch. Manual reference: 3126B: BASIC ENGINE, group 133-3742, page 157; 325C: COOLING SYSTEM, group 160-8186, page 111.

1J9671 SEAL O RIN for Caterpillar 3516B — Genuine CAT & Replacement Part

WSTPARTS supplies genuine CAT and OEM-equivalent direct-replacement SEAL O RIN (Part # 1J9671). Designed for CAT 3516B, 345B, C15, 3516C, 3126B, 325C, 3306, 3412C, 3508C, 3512, 3512C, 365B, C7, C9, G3508, 325D, 345D equipment.

Compatible Models

Key Features

• ✔ 100% compatible with CAT 3516B, 345B, C15, 3516C, 3126B, 325C, 3306, 3412C, 3508C, 3512, 3512C, 365B, C7, C9, G3508, 325D, 345D
• ✔ Meets Caterpillar original quality and performance standards
• ✔ Genuine CAT lines: New Genuine / Cat Reman / Cat Classic | OEM-equivalent direct replacements
• ✔ Available for order, contact for lead time

Specifications

Part Number (MPN)	1J9671
Product Name	SEAL O RIN
Brand	CAT
Applicable Models	3516B, 345B, C15, 3516C, 3126B, 325C, 3306, 3412C, 3508C, 3512, 3512C, 365B, C7, C9, G3508, 325D, 345D
Weight	0.05 kg
Condition	New (Genuine CAT / OEM-equivalent direct replacement)
Warranty	12 Months

Where This Part Fits

Every row below is a real listing of 1J9671 in the Caterpillar parts manual: the machine it is published under, the system it belongs to, the group number and the manual page. Use it to confirm the part against your own parts book before ordering.

Machine	System	Group No.	Manual Page
3126B	BASIC ENGINE	133-3742	p.157
325C	COOLING SYSTEM	160-8186	p.111
325D	COOLING SYSTEM	177-9823	p.75
3306	FUEL SYSTEM	105-2508	p.795
3508C	AIR INLET AND EXHAUST SYSTEM	283-9840	p.212
3512	FUEL SYSTEM	061-9457	p.615
3512C	AIR INLET AND EXHAUST SYSTEM	261-7305	p.197
3516B	FUEL SYSTEM	233-7973	p.403

System Notes — BASIC ENGINE

The basic engine group covers the core structure and internals: cylinder block, cylinder head, pistons, rings, liners, connecting rods, crankshaft, bearings, camshaft and the gasket sets that seal them. These parts determine compression, oil pressure and power output. They wear gradually — rings lose tension, bearings show copper, liners glaze — and the first signs are usually blow-by from the breather, rising oil consumption, or a knock that gets louder as the engine warms. Replacing a basic engine part is a planned overhaul decision rather than a roadside fix, so matching the exact part number and serial number range matters more here than anywhere else on the machine.

System Notes — COOLING SYSTEM

The cooling system covers the radiator, water pump, thermostat, fan and fan drive, coolant hoses, clamps, the surge tank and the belts that drive it. It holds engine temperature inside the range where clearances and oil film stay correct. Failures are usually slow and then sudden: a hose softens and balloons before it bursts, a water pump seal starts weeping from the weep hole, a thermostat sticks partly open so the engine runs cold and burns more fuel. On construction sites the radiator also packs with dust and debris, which raises pressure across the core and finds the weakest hose or clamp first.

FAQ

Is 1J9671 the right part for my machine?
Match the part number on your old part, or send us your equipment serial number — WSTPARTS verifies fitment free of charge for CAT 3516B.

Genuine CAT vs direct replacement — what is the difference?
Genuine CAT covers three factory lines: New Genuine, Cat Reman (core exchange with core charge) and Cat Classic (brand-new economy line). OEM-equivalent direct replacements are non-CAT parts; grade and warranty are confirmed in the quotation.

Stock, shipping and warranty?
Lead time confirmed on request; we quote the fastest available option. Every order is covered by a warranty per quotation.

📞 Get a Quote: Contact the WSTPARTS parts team | Email: cat@wstparts.com