Home/Caterpillar C7 & C9 Parts/321348 Caterpillar 3100 / C7 O-Ring
Caterpillar · Models: 3100 / C7

321348 Caterpillar 3100 / C7 O-Ring

Commercial diesel seal & o-ring. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$25.58$29.57 Save $3.99
In stock — ships same day 97 available
Help us verify fitment

Provide every identifier you have. A specialist will use these details to confirm the application before fulfillment.

Secure Checkout Review Return Policy Warranty Details Ask About Same-Day Shipping
PAI Part #321348
JAK'S Part #JAKS-321348
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
Included Components

What’s In This Kit

Browse 4 included components with current product details and availability.

Complete The Rebuild

Suggested Additional Parts

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

  1. Cat / Caterpillar UPPER GASKET KIT
    331503Cat / Caterpillar UPPER GASKET KIT In stock
    $411.75View ›
  2. Caterpillar 3100 / C7 Injector Sleeve
    392089Caterpillar 3100 / C7 Injector Sleeve In stock
    $14.90View ›
  3. Cat / Caterpillar THERMOSTAT
    381861Cat / Caterpillar THERMOSTAT In stock
    $22.92View ›
  4. ENGINE KIT
    C70102-017ENGINE KIT In stock
    $1,413.34View ›
  5. Cat / Caterpillar C7 ENGINE UPPER GASKET KIT
    331504Cat / Caterpillar C7 ENGINE UPPER GASKET KIT In stock
    $344.03View ›
321348 Caterpillar 3100 / C7 O-Ring
BrandPAI Industries
Part CategorySeals & O-Rings
Sub-TypeO-Ring
Engine MakeCaterpillar
Engine Model3100 · C7
ConditionNew
Stage / TierStandard

O-RING

Fits:

  • CATERPILLAR 3100 SERIES
  • CATERPILLAR C7 ENGINE

OEM cross-references:

  • 421217 1814695C1
  • 321334 1482903
  • 321345 1495240
  • 321347 2930730
  • CATERPILLAR 297-4841
  • CATERPILLAR 308-3422
  • PAI 321348

Warranty: 24 months