343053 | Caterpillar D343/D346/D348/D349 Cylinder Head Gasket Set, New

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343053 | 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: MCB343053 — Gasket Kit - Cylinder Head
Line No Kit Item No Item Name Qty UOM
1 M-7B305 Seal - O-ring 1 EA
2 M-0L364 Lock 22 EA
3 M-4L8337 Seal - O-ring - Air Compressor 1 EA
4 M-9L2532 1 EA
5 M-1M5829 Gasket - Air Lines Group 1 EA
6 M-2M5173 Seal - Turbocharger Flange 2 EA
7 M-2M6203 Gasket 6 EA
8 M-2M8089 Gasket 1 EA
9 M-4M8210 Lock 1 EA
10 M-5M1868 Seal - O-ring 6 EA
11 M-5M1902 Gasket 1 EA
12 M-3S9686 Gasket - Cylinder Head 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-8M9232 1 EA
17 M-9M3399 1 EA
18 M-1P6857 Gasket 1 EA
19 M-1S1123 1 EA
20 M-3S7781 Gasket - Transfer Case 1 EA
21 M-7S3206 Seal - O-ring 6 EA
22 M-8S9988 Shim - Head Gasket 1 EA
23 M-6F9163 Washer - Oil Filter 1 EA
24 M-9S5747 Seal 24 EA
25 M-1S4810 Gasket - Turbocharger Oil Supp 1 EA
26 M-1S6595 Gasket - Turbocharger Oil Supp 1 EA
27 M-2P9773 Seal 2 EA
28 M-2S3719 2 EA
29 M-3S5496 Seal - O-ring 1 EA
30 M-2A5328 Lock 2 EA
31 M-5H7376 Gasket - Oil Filler - Breather 1 EA
32 M-7M7273 Gasket - Turbocharger 1 EA
33 M-9M2678 Gasket 1 EA
34 M-9F5940 Gasket 1 EA
35 M-9M5910 1 EA
36 M-9S1274 Gasket - Air Cleaner 2 EA
37 M-4M4460 Gasket 1 EA
38 M-8M5266 Seal - O-ring 1 EA
39 M-3S9643 Seal - Thermostat 2 EA
40 M-5M9419 Gasket 1 EA
41 M-5M9421 Gasket 1 EA
42 M-3D2992 Seal - O-ring 6 EA
43 M-9S5746 Ferrule - Water Director Seal 24 EA
44 M-3J7354 Seal - O-ring 24 EA
45 M-2H5001 Ring - Seal 1 EA
46 M-3H3385 Seal - Hydraulic 1 EA
47 M-5H7704 Seal - O-ring 2 EA
48 M-6H1995 Seal - O-ring 2 EA
49 M-8H9204 Washer - Felt - Fuel Pump 6 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.

    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!

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    offer

    Buy Now, Pay Later

    Interest-Free Up To 12M

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    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