4025139 | Cummins B/ISB/QSB Lower Engine Gasket Set, New

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4025139 | Cummins B/ISB/QSB Lower Engine Gasket Set, New

Product Overview
This heavy-duty replacement component is engineered to meet or exceed OEM specifications for reliable performance and long service life in demanding diesel engine applications. Each unit is manufactured with strict quality control standards to help ensure proper fitment and durability in professional diesel engine rebuild environments.

Kit Contents

Kit: M-4025139 — Gasket Set - Lower Engine
Line No Kit Item No Item Name Qty UOM
1 M-3906697 Seal - Rectangular Ring 1 EA
2 M-3906698 Seal 1 EA
3 M-4937308 Nozzle - Piston Cooling 6 EA
4 M-4896409 Gasket - Filter Head 1 EA
5 M-4896897 Gasket - Acc Drive Cover 1 EA
6 M-4934344 Gasket - Oil Pan 1 EA
7 M-4895742 Gasket - Oil Cooler Core 1 EA
8 M-4890832 Seal - Oil 1 EA
9 M-4890833 Seal - Oil 1 EA
10 M-145530 Seal - O-ring 1 EA
11 M-3089240 Seal - O-ring 1 EA
12 M-3330478 Seal - O-ring 1 EA
13 M-3533955 Seal Ring 1 EA
14 M-3678603 Seal - O-ring 1 EA
15 M-3678786 Seal - O-ring 2 EA
16 M-3678912 Seal - O-ring 2 EA
17 M-3678925 Seal - O-ring 1 EA
18 M-3679139 Seal - O-ring 1 EA
19 M-3906252 Seal - Rectangular Ring 1 EA
20 M-3910260 Seal - O-ring 1 EA
21 M-3910517 Seal - O-ring - Cooler 1 EA
22 M-3926047 Seal - O-ring 1 EA
23 M-3928624 Seal - O-ring 1 EA
24 M-3929457 Seal - O-ring 1 EA
25 M-3959574 Plug - Piston Cooling 6 EA
26 M-3963983 Washer - Sealing 2 EA
27 M-4890088 Seal - O-ring 1 EA
28 M-4894095 Seal - O-ring 12 EA
29 M-4898301 Gasket - Oil Suction Connect 1 EA
30 M-4898372 Seal - O-ring 1 EA
31 M-4898876 Seal - O-ring 1 EA
32 CG65PR 1 EA
33 CG65PAD 2 EA
34 LABEL 4X12 1 EA

Key Features

  • OE-style fitment for proper installation
  • Durable construction for demanding operating conditions
  • Engineered for dependable heavy-duty diesel performance

About Interstate-McBee
Interstate-McBee is a trusted manufacturer of premium aftermarket diesel engine components. Products are manufactured under ISO 9001:2015 quality management standards and are engineered to meet or exceed OEM specifications. With decades of experience supporting the diesel and gas engine industries, Interstate-McBee components are designed to deliver consistent quality, reliability, and performance for heavy-duty engine applications.

Any mention of OEM names or OEM product ID numbers/descriptions/model numbers is intended for identification purposes only and does not indicate that it is an OEM part.

  • 4025139

Free Standard ground shipping within the Continental US! If you need your parts in a hurry and would like to get them overnighted or expedited please give us a call and our sales reps will let you know what options are available!

2 year warranty applies!

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Buy Now, Pay Later

Interest-Free Up To 12M

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Above The Line

Customer Service Guaranteed

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Free Ground Shipping

On All Orders!

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Premium Quality Parts

Manufacturing Since 1973

offer

Buy Now, Pay Later

Interest-Free Up To 12M

offer

Above The Line

Customer Service Guaranteed

offer

Free Ground Shipping

On All Orders!

offer

Premium Quality Parts

Manufacturing Since 1973