5R1861 | Caterpillar D343/D346/D348/D349 Cylinder Head Gasket Set, New

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5R1861 | Caterpillar D343/D346/D348/D349 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-5R1861 — Gasket Kit - Cylinder Head
Line No Kit Item No Item Name Qty UOM
1 M-0L364 Lock 13 EA
2 M-4F7390 Seal - O-ring 1 EA
3 M-4F9653 Seal - Cover Group 6 EA
4 M-4L8337 Seal - O-ring - Air Compressor 2 EA
5 M-4M8210 Lock 1 EA
6 M-5M1868 Seal - O-ring 6 EA
7 M-5M1902 Gasket 1 EA
8 M-5M9419 Gasket 1 EA
9 M-6B9186 Gasket - Weight Group 1 EA
10 M-6L3184 Gasket 1 EA
11 M-6L6580 Gasket 2 EA
12 M-1P6857 Gasket 1 EA
13 M-7M7224 Gasket 1 EA
14 M-7M7226 Gasket 1 EA
15 M-8M904 Gasket - Oil Lines Group 1 EA
16 M-8S9988 Shim - Head Gasket 1 EA
17 M-9F5940 Gasket 1 EA
18 M-9S5747 Seal 24 EA
19 M-1S4810 Gasket - Turbocharger Oil Supp 1 EA
20 M-1S6595 Gasket - Turbocharger Oil Supp 1 EA
21 M-2H3927 Seal - Hydraulic 2 EA
22 M-2M4453 Seal - O-ring 1 EA
23 M-2M6203 Gasket 6 EA
24 M-3S5496 Seal - O-ring 1 EA
25 M-3S9686 Gasket - Cylinder Head 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.

  • 5R1861

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