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Home/Cummins B-Series Parts — ISB, 6BT, 4BT & QSB/172058 Cummins 4B 3.9 / 6B 5.9 Main Thrust Bearing (1Mm)
Cummins · Models: 4B 3.9 / 6B 5.9
172058 Cummins 4B 3.9 / 6B 5.9 Main Thrust Bearing (1Mm)
Commercial diesel bearing. Match the listed part and engine identifiers before ordering.
Warranty DetailsPAI Industries
$313.80$317.05
Save $3.25
In Stock
PAI Part #172058
JAK'S Part #JAKS-172058
Cross Ref4938947
Cross Ref3945663
| Brand | PAI Industries |
| Part Category | Bearings |
| Engine Make | Cummins |
| Engine Model | 4B 3.9 · 6B 5.9 |
| Condition | New |
| Stage / Tier | Standard |
Cataloged cross-reference numbers for this product. Confirm fitment before ordering.
| Number |
|---|
| 4938947 |
| 3945663 |
No cross-reference numbers match that search.
Don't see your number? Request a verified cross-reference or call/text (720) 445-6249.
Discovery models are listed below. Confirm the complete application and any ESN/CPL or size restrictions before ordering.
Cummins 4B 3.9 6B 5.9
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.