ESP-3503 Mack E7 / E-TECH / ASET Fuel Supply Pump
What’s In This Kit
Browse 2 included components with current product details and availability.
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EFF-4138Mack FITTING - 90 DEGREE ELBOW (Pack of 5) In stock -
ENU-4139Mack NUT (Pack of 5) In stock - No included components match that search.
Suggested Additional Parts
Commonly sold with this product. These parts are sold separately.
| Brand | PAI Industries |
| Part Category | Fuel System |
| Engine Make | Mack |
| Engine Model | E7 · E-TECH · ASET |
| Condition | New |
| Stage / Tier | Standard |
FUEL SUPPLY PUMP
Fits:
- MACK E7 ENGINES
- MACK E-TECH ENGINES
- MACK ASET ENGINE
OEM cross-references:
- EPP-3757 2447222025
- EFF-4138 63AX3667
- ENU-4139 935-2443315000
- MACK 85136309
- MACK 85020140
- MACK 85141442
- MACK 935-0440008120
- PAI ESP-3503
Warranty: 24 months
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.







