CUM3939390 Cummins

Name: Cummins 4B 3.9L, 4B 4.5L, 6B 5.9L Upper Connecting Rod Bearing, New (3939390)
Brand: Interstate McBee
SKU: CUM3939390
Availability: InStock

Cummins 4B 3.9L, 4B 4.5L, 6B 5.9L Upper Connecting Rod Bearing, New (3939390)

Brand Interstate McBeeFits Cummins 1 model

1 offer from $6.04

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Cummins 4B 3.9L, 4B 4.5L, 6B 5.9L Upper Connecting Rod Bearing, New (3939390)

NewInterstate McBeeAftermarket

Highway & Heavy Parts

In stock

$6.04

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Part #CUM3939390

Vendor SKUP234076

Weight0.907 kg

Based in

United States

Checked18 Oct 2026

Price at the seller

6.04 USD

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highwayandheavyparts.com — website ↗

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Fits these machines

Models listed by the suppliers of this part. 1 in total.

Cummins

ISB 4.5L

Other numbers for this part

3939390M-3939380

About this part

Suppliers: 1
Offers: 1 on this page
In stock: 1 of 1
With a price: 1 of 1, excluding out of stock
Price: $6.04

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