4090037 | Cummins B/ISB/QSB Upper Engine Gasket Set, New

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4090037 | Cummins B/ISB/QSB Upper 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-4090037 — Gasket Set - Upper Engine
Line No Kit Item No Item Name Qty UOM
1 M-3037236 Seal - O-ring 2 EA
2 M-3935878 Gasket - Valve Cover 1 EA
3 M-3937706 1 EA
4 M-3938152 Gasket - Int Manifold 1 EA
5 M-3942989 Seal - Valve Stem 12 EA
6 M-3945438 Seal - Valve Stem 12 EA
7 M-3946168 Screw - Captive Isolator 5 EA
8 M-3946275 Gasket 6 EA
9 M-3969988 Gasket - Connection 2 EA
10 M-3164057 Gauge - Capscrew 1 EA
11 M-3977063 Gasket - Cylinder Head 1 EA
12 CG69 PR 1 EA
13 LABEL NUMBER 1 2 EA
14 M-3519807 Gasket - Turbocharger 1 EA
15 M-3709861 Gasket - Turbocharger 1 EA
16 M-3867043 Seal - O-ring 6 EA
17 M-3883284 Seal - O-ring 1 EA
18 M-3902425 Washer - Sealing 1 EA
19 M-3922794 Seal - O-ring - Turbo House 2 EA
20 M-3931824 Seal - O-ring 1 EA
21 LABEL 4X12 1 EA
22 M-5264569 Gasket - Oil Drain 1 EA
23 CG69PAD 2 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.

  • 4090037

We offer free shipping on orders $250 and above! For orders under $250, standard shipping rates apply. If you need expedited shipping such as Next Day Air or 2nd Day Air, just give us a call and one of our sales representatives will help you get the order placed within the timeline you need!

2 year warranty applies!

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Free Ground Shipping

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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