Home/Caterpillar C7 & C9 Parts/Caterpillar C7 O-Ring, PAI 321444 (OEM 310-7259), Pack of 6
Caterpillar · Models: C7

Caterpillar C7 O-Ring, PAI 321444 (OEM 310-7259), Pack of 6

Commercial diesel seal & o-ring. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$28.44
In Stock
Fitment details

Want us to check the fit? Share any details you have below. All fields are optional. Your request will be included with your order, and a specialist may contact you before fulfillment.

PAI Part #321444
JAK'S Part #JAKS-321444
Catalog ref310-7259
Catalog ref3107259
Catalog refCATERPILLAR 310-7259
Catalog refCATERPILLAR 3107259
Not sure it's the right fit? Call a specialist
(720) 445-6249
Talk to a tech or text a photo of your part tag — we'll confirm fitment before you buy
Complete The Rebuild

Suggested Additional Parts

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

  1. Caterpillar C7 O-Ring, PAI  (OEM 310-7258), Pack of 6
    321443Caterpillar C7 O-Ring, PAI (OEM 310-7258), Pack of 6 In stock
    $25.02View ›
  2. Caterpillar C7 Injector Sleeve, PAI  (OEM 2271200), Pack of 1
    392089Caterpillar C7 Injector Sleeve, PAI (OEM 2271200), Pack of 1 In stock
    $14.90View ›
  3. Caterpillar Viton O-Ring, PAI  (OEM 8C0563), Pack of 6
    321272Caterpillar Viton O-Ring, PAI (OEM 8C0563), Pack of 6 In stock
    $15.06View ›
  4. Caterpillar C7 O-Ring, PAI  (OEM 310-7257), Pack of 6
    321442Caterpillar C7 O-Ring, PAI (OEM 310-7257), Pack of 6 In stock
    $28.44View ›
  5. Caterpillar 3100 / C7 / 3126 Injector Sleeve
    392090Caterpillar 3100 / C7 / 3126 Injector Sleeve In stock
    $13.29View ›
Caterpillar C7 O-Ring, PAI 321444 (OEM 310-7259), Pack of 6
BrandPAI Industries
Part CategorySeals & O-Rings
Sub-TypeO-Ring
Engine MakeCaterpillar
Engine ModelC7
ConditionNew
Stage / TierStandard

Sold in a pack of 6.

PAI 321444 is an o-ring made from Aflas. PAI lists Caterpillar C7 applications. The manufacturer identifies Caterpillar OEM reference 310-7259. PAI specifies a dark green Teflon coating.

Compare the complete part number and listed application with your required part before ordering.

PAI Part #: 321444

OEM References:

  • CATERPILLAR 310-7259
  • CATERPILLAR 3107259

Applications:

  • CATERPILLAR C7 ENGINE

Warranty: 2.0 year(s)