Home/Caterpillar C7 & C9 Parts/Caterpillar O-Ring, PAI 321286 (OEM 1258274), Pack of 6
O-RING
Caterpillar · Models: 3100 / C7

Caterpillar O-Ring, PAI 321286 (OEM 1258274), Pack of 6

Commercial diesel seal & o-ring. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$12.06$24.36 Save $12.30
In stock — confirm dispatch timing 4 available
Fitment details

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PAI Part #321286
JAK'S Part #JAKS-321286
Catalog ref125-8274
Catalog ref1258274
Catalog ref4333-1831211C1
Catalog ref1831211
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Kit Membership

Used In These Kits

This part is included in 2 engine & overhaul kits — find yours below.

Complete The Rebuild

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Commonly sold with this product. These parts are sold separately.

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Caterpillar O-Ring, PAI 321286 (OEM 1258274), Pack of 6
BrandPAI Industries
Part CategorySeals & O-Rings
Sub-TypeO-Ring
Engine MakeCaterpillar
Engine Model3100 · C7
ConditionNew
Stage / TierStandard

Pack of 6.

PAI 321286 is an o-ring. PAI lists Viton material. The listed durometer is 90. Listed cross section is 0.103 inch. Listed inside diameter is 0.299 inches. The manufacturer designates product-level OEM 1258274.

Compatible Engines

PAI lists Caterpillar 3100 Series; Caterpillar C7 Engine. Match the complete required part number and listed application before ordering.

Manufacturer product cross-references
Caterpillar 125-8274
Caterpillar 1258274
Mack 4333-1831211C1
Navistar 1831211
Navistar 1831211C1

Compare the complete part number, material and required seal specification before ordering.

PAI Part #: 321286

OEM References:

  • CATERPILLAR 125-8274
  • CATERPILLAR 1258274
  • MACK 4333-1831211C1
  • NAVISTAR 1831211
  • NAVISTAR 1831211C1

Applications:

  • CATERPILLAR 3100 SERIES
  • CATERPILLAR C7 ENGINE

Warranty: 2.0 year(s)