1301521 | Caterpillar 3304/3306 Cylinder Head Gasket Set, New

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1301521 | Caterpillar 3304/3306 Cylinder Head 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-1301521 — Gasket Set - Cylinder Head
Line No Kit Item No Item Name Qty UOM
1 M-1S4295 Gasket - Turbocharger 1 EA
2 M-7N944 Gasket - Regulator Housing 1 EA
3 M-7N8018 Seal - Water - Cyl Head 6 EA
4 M-7W4486 Washer - Nozzle 6 EA
5 M-8H9204 Washer - Felt - Fuel Pump 6 EA
6 M-8H9788 Gasket 1 EA
7 M-8M4448 Seal - O-ring 1 EA
8 M-9L9098 Seal - Injector 6 EA
9 M-9Y1798 Seal - Water - Cyl Head 18 EA
10 M-9Y1979 Gasket - Exh Manifold 3 EA
11 M-1118015 Gasket - Cylinder Head 1 EA
12 M-2M9780 Seal - O-ring 1 EA
13 M-1143364 Washer - Stat-O-Seal 6 EA
14 M-1148718 Seal - O-ring 6 EA
15 M-1157550 Gasket - Spacer Plate 1 EA
16 M-1886126 Gasket - Turbocharger Oil 1 EA
17 M-1331247 Seal - Integral 1 EA
18 CG71 PR 1 EA
19 M-2P6132 Gasket - Water Lines Group 1 EA
20 M-3K360 Seal - O-Ring 1 EA
21 M-3S5496 Seal - O-ring 2 EA
22 M-4L9564 Seal - Breather Group 1 EA
23 M-4M6480 Gasket - Cover 1 EA
24 M-5S6735 Gasket - Cover 2 EA
25 M-7N200 Gasket - Water Lines Group 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.

  • 1301521

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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Interest-Free Up To 12M

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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