EGA-3877 Mack O-RING (Pack of 25)
Used In These Kits
This part is included in 21 engine & overhaul kits — find yours below.
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121410MVT REPAIR KIT In stock -
131265Cummins L10 ENGINE UPPER GASKET SET In stock -
131422LOWER GASKET KIT In stock -
131482-155Cummins HEAD GASKET KIT In stock -
131539LOWER GASKET KIT In stock -
131597-200O-RING KIT In stock -
131684Cummins QSC ENGINES UPPER GASKET SET In stock -
131743Cummins UPPER GASKET KIT In stock -
131809Cummins Upper Gasket Kit In stock -
131814Cummins UPPER GASKET KIT In stock -
131815UPPER GASKET KIT In stock -
131816UPPER GASKET KIT In stock - 131865LOWER GASKET KIT View ›
- 131885LOWER GASKET KIT View ›
- 131902LOWER GASKET KIT View ›
- 131933LOWER GASKET KIT View ›
- 331327FUEL PUMP GASKET KIT View ›
- 831040TURBOCHARGER INSTALLATION KIT View ›
- ERK-3425INJECTOR SEAL KIT View ›
- ETK-3675TURBOCHARGER KIT View ›
- GGS-3972TRANSMISSION GASKET KIT View ›
- No kits match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Gaskets & Seals |
| Sub-Type | O-Ring |
| Engine Make | Mack |
| Engine Model | E-Tech · E6 · E7 |
Sold in a pack of 25. Price shown is for 25 pieces.
O-RING
Fits:
- MACK E7 ENGINES
- MACK E6 2 VALVE ENGINES
- MACK E-TECH ENGINES
OEM cross-references:
- CUMMINS 3085709
- MACK 446GC1225
- MACK 745-234972
- MACK 745-239745
- CUMMINS 145504
- CUMMINS 3277354
- MACK 446GC2124
- CUMMINS 3066914
- CUMMINS 3931824
- CATERPILLAR 8M8997
- MACK 4103-5010284798
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 3085709 |
| MACK 446GC1225 |
| MACK 745-234972 |
| MACK 745-239745 |
| CUMMINS 145504 |
| CUMMINS 3277354 |
| MACK 446GC2124 |
| CUMMINS 3066914 |
| CUMMINS 3931824 |
| CATERPILLAR 8M8997 |
| MACK 4103-5010284798 |
| PAI EGA-3877 |
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.