Home/PAI Industries Parts/121345 Cummins Rectangular Sealing Ring
Cummins

121345 Cummins Rectangular Sealing Ring

Commercial diesel seal & o-ring. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
$14.45
In stock — ships same day 7 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 #121345
JAK'S Part #JAKS-121345
Cross Ref3820028
Cross Ref3820945
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
Kit Membership

Used In These Kits

This part is included in 1 engine & overhaul kits — find yours below.

Complete The Rebuild

Suggested Additional Parts

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

  1. RECTANGULAR SEALING RING (Pack of 5)
    121346RECTANGULAR SEALING RING (Pack of 5) In stock
    $14.45View ›
  2. Cummins Rectangular Sealing Ring
    121343Cummins Rectangular Sealing Ring In stock
    $17.34View ›
  3. ACCESSORY DRIVE SEAL KIT
    136081ACCESSORY DRIVE SEAL KIT In stock
    $17.50View ›
  4. FRONT CRANK SEAL KIT
    136117FRONT CRANK SEAL KIT In stock
    $29.08View ›
  5. FRONT COVER GASKET KIT
    131593FRONT COVER GASKET KIT In stock
    $54.35View ›
121345 Cummins Rectangular Sealing Ring
BrandPAI Industries
Part CategorySeals & O-Rings
Engine MakeCummins
ConditionNew
Stage / TierStandard