4955523R | Cummins B/ISB/QSB Upper Engine Gasket Set, New

Frequently Bought Together

4955523R | 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-4955523R — Gasket Set - Upper Engine
Line No Kit Item No Item Name Qty UOM
1 M-2830977 Seal - O-ring 1 EA
2 M-3906698 Seal 1 EA
3 M-3976371 Seal - Injector 6 EA
4 M-3910517 Seal - O-ring - Cooler 1 EA
5 M-3928624 Seal - O-ring 2 EA
6 M-3931824 Seal - O-ring 1 EA
7 M-3936876 Seal - Rectangular Ring 2 EA
8 M-3939258 Gasket - Cover Plate 1 EA
9 M-3947530 Gasket - Int Manifold Cover 1 EA
10 M-3949910 Gasket - Connection 2 EA
11 M-3954324 Gasket - Rocker Cover 1 EA
12 M-3066211 Seal - O-ring - Turbocharger 1 EA
13 M-3954829 Seal - Thermostat 1 EA
15 M-3963379 Gasket - Rocker Housing Cover 1 EA
16 M-3963983 Washer - Sealing 12 EA
17 M-3963984 Washer - Sealing 1 EA
18 M-3963988 Washer - Sealing 1 EA
19 M-3963990 Washer - Sealing 14 EA
20 M-3973512 Seal - O-ring 1 EA
21 M-3978072 Gasket - Connection 1 EA
22 M-3979769 Gasket - Egr Valve 4 EA
23 M-3347937 O-Ring Seal - Green - HPI 1 EA
24 M-4896897 Gasket - Acc Drive Cover 1 EA
25 M-4899226 Gasket - Valve Cover 1 EA
26 M-4932210 Gasket - Cylinder Head 1 EA
27 M-4932615 Gasket - EGR Transfer Tube 1 EA
28 M-4062328 Seal - O-ring 6 EA
29 M-4931365 Gasket - Oil Drain 1 EA
30 M-5266422 Gasket - Exh Manifold 6 EA
31 CG69 PR 1 EA
32 M-3627695 Seal - O-ring 3 EA
33 M-3678606 Seal - O-ring 1 EA
34 M-3678786 Seal - O-ring 1 EA
35 M-3883284 Seal - O-ring 1 EA
36 M-3906696 Seal - Rectangular Ring 1 EA
37 M-3906697 Seal - Rectangular Ring 2 EA
38 M-4891288 Gasket - Oil Drain - Turbo 1 EA
39 M-3955393 Seal - Valve Stem 24 EA
40 LABEL 4X12 1 EA
41 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.

  • 4955523R

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!

RECENTLY VIEWED


RECENTLY VIEWED

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

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