CAT 1426217 SEAL O RIN for C15 Caterpillar Part - WSTPARTS

Need a dependable Engine Block part for your Caterpillar C15, 3412C and C27 machine? The 1426217 SEAL O RIN from WSTPARTS is manufactured to OEM-grade tolerances. It is categorized under Engine Block. Every unit is fitment-verified before dispatch. Manual reference: 3406C: BASIC ENGINE, group 119-1322, page 169; 3406E: BASIC ENGINE, group 150-8016, page 127.

1426217 SEAL O RIN for Caterpillar C15 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement SEAL O RIN (Part # 1426217). Designed for CAT C15, 3412C, C27, 3406C, 3406E, 3606, 3608, 3616 equipment.

Compatible Models

Key Features

• ✔ 100% compatible with CAT C15, 3412C, C27, 3406C, 3406E, 3606, 3608, 3616
• ✔ 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)	1426217
Product Name	SEAL O RIN
Brand	CAT
Applicable Models	C15, 3412C, C27, 3406C, 3406E, 3606, 3608, 3616
Weight	0.05 kg
Condition	New (Genuine / OEM Equivalent)
Warranty	12 Months

Where This Part Fits

Every row below is a real listing of 1426217 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
3406C	BASIC ENGINE	119-1322	p.169
3406E	BASIC ENGINE	150-8016	p.127
3412C	BASIC ENGINE	126-1375	p.156
3606	LUBRICATION SYSTEM	145-9075	p.82
3608	LUBRICATION SYSTEM	145-9075	p.80
3616	LUBRICATION SYSTEM	145-9075	p.97
C15	BASIC ENGINE	223-9252	p.223
C27	BASIC ENGINE	349-2528	p.45

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 — LUBRICATION SYSTEM

The lubrication system covers the oil pump, oil cooler, oil filter base, relief valves, dipstick tube, pan and the galleries that distribute oil to every bearing in the engine. It is the system that keeps metal off metal. Failures tend to be either pressure loss — a worn pump, a stuck relief valve, a collapsed filter — or contamination, where sludge and debris circulate and score bearing surfaces. Oil pressure that reads low at idle, a filter that comes out heavy, or oil that turns dark far sooner than usual are the signals. Parts in this group are replaced on measured oil pressure and lab results rather than on interval alone.

FAQ

Is 1426217 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 C15.

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