Rectangular Buna N Sealing Ring, PAI 121396 (OEM 153518), Pack of 4
Used In These Kits
This part is included in 2 engine & overhaul kits — find yours below.
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131902LOWER GASKET KIT In stock -
131952Cummins K Lower Gasket Kit Confirm lead time - No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Seals & O-Rings |
| Engine Make | Cummins |
| Engine Model | K |
| Condition | New |
| Stage / Tier | Standard |
Pack of 4.
PAI 121396. Black, peroxide-cured Buna N (75) rectangular sealing ring, 0.609 inch inside diameter x 0.134 inch cross section x 0.134 inch thickness.
Manufacturer application table: CUMMINS K.
Manufacturer product cross-references
CUMMINS 153518
DETROIT DIESEL 23527392
DETROIT 23527392
Compare the complete part number and listed specifications with your required part before ordering.
PAI lists this part under Cummins K; confirm the required Cummins K Series Engine part number and configuration before ordering.
PAI Part #: 121396
OEM References:
- CUMMINS 153518
- DETROIT DIESEL 23527392
Applications:
- CUMMINS K SERIES ENGINE
Warranty: 2.0 year(s)
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 |
|---|
| 153518 |
| 23527392 |
| CUMMINS 153518 |
| DETROIT DIESEL 23527392 |
| PAI 121396 |
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.






