9M4734 | Caterpillar 6.25"/D353/D379/D398/D399 Overhaul Supplement Gasket Set, New

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9M4734 | Caterpillar 6.25"/D353/D379/D398/D399 Overhaul Supplement 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-9M4734 — Gasket Set - Overhaul
Line No Kit Item No Item Name Qty UOM
1 M-2F3659 1 EA
2 M-5H4499 1 EA
3 M-4L3577 1 EA
4 M-4L3579 1 EA
5 M-4L3616 1 EA
6 M-4L3658 1 EA
7 M-4L9564 Seal - Breather Group 2 EA
8 M-5L4940 Gasket - Manifold 6 EA
9 M-5L6253 2 EA
10 M-4F7952 Seal - Hydraulic 1 EA
11 M-1M6922 Gasket 1 EA
12 M-2M2561 1 EA
13 M-5M6038 Seal 2 EA
14 M-5M9736 Seal - Oil 1 EA
15 M-4F8824 Seal - Hydraulic 1 EA
16 M-4L2671 2 EA
17 M-7F2093 2 EA
18 M-7H9779 6 EA
19 M-8H8678 Gasket 1 EA
20 M-6L5435 Gasket 1 EA
21 M-6L5436 Gasket 1 EA
22 M-6L5461 Gasket 1 EA
23 M-6L5490 Gasket - Cylinder Block Cover 2 EA
24 M-7M6843 Gasket 1 EA
25 M-7M6844 Gasket 1 EA
26 M-8M5007 1 EA
27 M-3H4970 Seal - Accessory Drive 1 EA
28 M-3H5939 Gasket - Expansion Tank 1 EA
29 M-4H1722 Seal - Oil 1 EA
30 M-4H5117 1 EA
31 M-5H3684 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.

  • 9M4734

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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Interest-Free Up To 12M

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Free Ground Shipping

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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