4376220 | Cummins ISX/QSX Upper Engine Gasket Set, New

Frequently Bought Together

4376220 | Cummins ISX/QSX 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-4376220 — Gasket Set - Upper Engine
Line No Kit Item No Item Name Qty UOM
1 M-186780 Seal - Thermostat 1 EA
2 M-2872717 6 EA
3 M-3033247 Seal - O-ring 1 EA
4 M-3101268 Gasket - Flange 1 EA
5 M-3104230 Gasket 3 EA
6 M-3104392 Gasket - Valve Cover 1 EA
7 M-3347939 O-Ring Seal - Black - HPI/XPI 6 EA
8 M-3627695 Seal - O-ring 2 EA
9 M-3678762 Seal - Grommet 1 EA
10 M-3678786 Seal - O-ring 1 EA
11 M-3678912 Seal - O-ring 1 EA
12 M-3679932 Gasket - Camshaft Cover 1 EA
13 M-3680324 Gasket - Turbo Drain Flange 1 EA
14 M-3682177 Seal - O-ring 1 EA
15 M-3682673 Gasket - Thermostat Housing 1 EA
16 M-3682710 Gasket - Exh Manifold 4 EA
17 M-3682826 Seal - Grommet 2 EA
18 M-3682940 Gasket - Exh Manifold 1 EA
19 M-3683607 Seal - Water 1 EA
20 M-3683814 Seal - O-ring 5 EA
22 M-3684284 Washer - Sealing 2 EA
23 M-3684336 Gasket - Thermostat Housing 2 EA
24 M-3684355 Gasket - Exhaust Outlet 1 EA
25 M-3684359 Gasket - Exhaust Outlet 1 EA
26 M-3685124 Seal - O-ring 2 EA
27 M-3685456 Seal - Water 1 EA
28 M-3686368 Seal - Rectangular Ring 1 EA
29 M-3686525 Seal - Electrical Connector 1 EA
30 M-3687007 Seal - Rectangular Strip 1 EA
31 M-3687051 Carrier - Seal 2 EA
32 M-3688347 Gasket - Int Manifold 1 EA
33 M-3688622 1 EA
34 M-3689567 Gasket - Cylinder Head 1 EA
35 M-3922794 Seal - O-ring - Turbo House 2 EA
36 M-3949708 Seal - O-ring 1 EA
37 M-3949781 Seal - O-ring 1 EA
38 M-3957131 Seal - O-ring 1 EA
39 M-3963988 Washer - Sealing 16 EA
40 M-3963990 Washer - Sealing 2 EA
41 M-4299124 Seal - O-ring 1 EA
42 M-4299125 Seal - O-ring 1 EA
43 M-4934278 Washer - Sealing 2 EA
44 M-4934279 Washer - Sealing 8 EA
45 M-4963857 Gasket - Injector 1 EA
46 M-4984152 O-Ring Seal 6 EA
47 M-4985660 Seal - Camshaft Cover 1 EA
48 CG71 PR 1 EA
49 LABEL 4X12 1 EA
50 CG71PAD 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.

  • 4376220

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