CAT 0617538 O RING for G3616 Caterpillar Part - WSTPARTS

The 0617538 O RING is a genuine and high-quality OEM replacement part compatible with Caterpillar G3616, C175 and C7 equipment. It is categorized under Seal. Every unit is fitment-verified before dispatch. Manual reference: C175: COOLING SYSTEM, group 248-4129, page 268; C7: BASIC ENGINE, group 126-8216, page 118.

0617538 O RING for Caterpillar G3616 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement O RING (Part # 0617538). Designed for CAT G3616, C175, C7, 3616, G3612 equipment.

Compatible Models

Key Features

• ✔ 100% compatible with CAT G3616, C175, C7, 3616, G3612
• ✔ Meets Caterpillar original quality and performance standards
• ✔ Genuine CAT parts with anti-counterfeit label | OEM alternatives with warranty
• ✔ Available for order, contact for lead time

Specifications

Part Number (MPN)	0617538
Product Name	O RING
Brand	CAT
Applicable Models	G3616, C175, C7, 3616, G3612
Weight	0.05 kg
Condition	New (Genuine / OEM Equivalent)
Warranty	12 Months

Where This Part Fits

Every row below is a real listing of 0617538 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
C175	COOLING SYSTEM	248-4129	p.268
C7	BASIC ENGINE	126-8216	p.118
G3612	ELECTRICAL AND STARTING SYSTEM	217-3856	p.175
G3616	AIR INLET AND EXHAUST SYSTEM	216-8695	p.445
3616	ELECTRICAL AND STARTING SYSTEM	138-7084	p.221
C7	BASIC ENGINE	235-3989	p.126
G3616	ELECTRICAL AND STARTING SYSTEM	142-2745	p.589
C7	BASIC ENGINE	238-7870	p.128

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.

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.

FAQ

Is 0617538 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 G3616.

Genuine vs OEM replacement — what is the difference?
Genuine CAT parts carry an anti-counterfeit label. OEM equivalents are built to the same specifications, bench-tested and supplied with full warranty at a better price.

Stock, shipping and warranty?
Lead time confirmed on request; we quote the fastest available option. Every order is covered by a 12-month warranty.

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