Home/Caterpillar C7 & C9 Parts/Caterpillar O-Ring, PAI 321317 (OEM 4J0524), Pack of 6
O-RING
Caterpillar · Models: 3100 / C7

Caterpillar O-Ring, PAI 321317 (OEM 4J0524), Pack of 6

Commercial diesel seal & o-ring. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$14.88
In stock — confirm dispatch timing
Fitment details

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PAI Part #321317
JAK'S Part #JAKS-321317
Catalog ref077-5021
Catalog ref0775021
Catalog ref3T8328
Catalog ref4J0524
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Kit Membership

Used In These Kits

This part is included in 3 engine & overhaul kits — find yours below.

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

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Caterpillar O-Ring, PAI 321317 (OEM 4J0524), Pack of 6
BrandPAI Industries
Part CategorySeals & O-Rings
Sub-TypeO-Ring
Engine MakeCaterpillar
Engine Model3100 · C7
ConditionNew
Stage / TierStandard

Pack of 6.

PAI 321317 is an o-ring. PAI lists Buna N material. The listed durometer is 90. Listed cross section is 0.139 inch. Listed inside diameter is 1.859 inches. The manufacturer designates product-level OEM 4J0524.

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 077-5021
Caterpillar 0775021
Caterpillar 3T8328
Caterpillar 4J0524
Caterpillar 5W7491
Caterpillar 77-5021
Caterpillar 775021
Caterpillar 8C1270
Caterpillar 8T7214
Mack 4333-1885844C1
Navistar 1885844
Navistar 1885844C1

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

PAI Part #: 321317

OEM References:

  • CATERPILLAR 077-5021
  • CATERPILLAR 0775021
  • CATERPILLAR 3T8328
  • CATERPILLAR 4J0524
  • CATERPILLAR 5W7491
  • CATERPILLAR 77-5021
  • CATERPILLAR 775021
  • CATERPILLAR 8C1270
  • CATERPILLAR 8T7214
  • MACK 4333-1885844C1
  • NAVISTAR 1885844
  • NAVISTAR 1885844C1

Applications:

  • CATERPILLAR 3100 SERIES
  • CATERPILLAR C7 ENGINE

Warranty: 2.0 year(s)