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5P8978 | Caterpillar 6.25″/D353/D379/D398/D399 Expansion Tank Gasket Set, New

5P8978 | Caterpillar 6.25″/D353/D379/D398/D399 Expansion Tank Gasket Set, New

(0 reviews)
Price: $27.965 $55.93
SKU: #BCO801793313
Availability: In stock

5P8978 | Caterpillar 6.25"/D353/D379/D398/D399 Expansion Tank Gasket Set, NewProduct OverviewThis 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...

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5P8978 | Caterpillar 6.25″/D353/D379/D398/D399 Expansion Tank 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-5P8978 Gasket Kit – Expansion Tank

Line No Kit Item No Item Name Qty UOM
1 M-7B7129 Gasket 1 EA
2 M-5L1690 Gasket 1 EA
3 M-5L1691 Gasket 1 EA
4 M-3N2722 Seal Assy 2 EA
5 M-7F7590 Gasket – Oil Lines Group 1 EA
6 M-3H5939 Gasket – Expansion Tank 1 EA
7 M-4H2494 Sleeve 5 EA
8 M-4L3848 Seal – Thermostat 1 EA
9 M-4L4860 Gasket 3 EA
10 M-4L9564 Seal – Breather Group 2 EA
11 M-5L1150 Gasket 2 EA
12 M-5L1687 Gasket – Regulator Housing 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.

Cross Reference Part Numbers

5P8978

Free Shipping

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!

Warranty

2 year warranty applies!

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