Cummins ISX Buna N Rectangular Sealing Ring, PAI 121353 (OEM 3678536), Pack of 6
Used In These Kits
This part is included in 3 engine & overhaul kits — find yours below.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Engine Make | Cummins |
| Engine Model | ISX |
Pack of 6.
PAI 121353 is a Buna N Rectangular Sealing Ring. PAI specifies Buna N material, 70 durometer, 1.250-inch inside diameter, 0.038-inch cross-section and 0.053-inch thickness. Manufacturer-designated parent reference: CUMMINS 3678536.
Manufacturer application categories
CUMMINS ISX SERIES. Confirm the complete required part number and application before ordering.
Manufacturer product cross-references
CUMMINS 3678536
Fits:
- CUMMINS ISX SERIES
OEM cross-references:
- CUMMINS 3678536
Warranty: 24 months
These catalog references may identify this part or components in an assembly. A listed number alone does not confirm whole-assembly interchange or vehicle fitment. Confirm the required part before ordering.
| Number |
|---|
| CUMMINS 3678536 |
| PAI 121353 |
No cross-reference numbers match that search.
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Most PAI parts carry a 2-year unlimited-mileage PAI warranty — 3 years on the High Performance tier, 1 year on Excel by PAI. See Warranty & Returns for full coverage terms, or call a specialist to confirm the exact coverage on this part.
PAI published warranty tiers: High Performance — 3-Year · Genuine PAI — 2-Year · Excel — 1-Year, unlimited mileage. The badge beside the price shows this product's recorded term; when no badge is shown, confirm coverage with a specialist.