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Cummins · Models: 4B / 6B
040157 Cummins CAPSCREW (Pack of 2)
Commercial diesel head bolts / fasteners. Match the listed part and engine identifiers before ordering.
2-Year WarrantyPAI Industries
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We have not published a price for this part yet.
(720) 445-6249
or parts@JAKsDiesel.com
and a specialist will quote it.
Unavailable online — request lead time
PAI Part #040157
JAK'S Part #JAKS-040157
| Brand | PAI Industries |
| Engine Make | Cummins |
| Engine Model | 4B · 6B |
CAPSCREW
Sold in a pack of 2. Price shown is for 2 pieces.
Fits:
- CUMMINS 4B ENGINES 3.9
- CUMMINS 6B ENGINES 5.9
OEM cross-references:
- CUMMINS 3991132
- CUMMINS 3929456
Warranty: 24 months
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Cummins 4B 6B
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.