6V5966 | Caterpillar Fuel Injector Components, New

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6V5966 | Caterpillar Fuel Injector Components, 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.

Key Features

  • OE-style fitment for proper installation
  • Durable construction for demanding operating conditions
  • Engineered for dependable heavy-duty diesel performance

Kit Contents

Kit: M-6V5966 — Gasket Set - Fuel System
Line No Kit Item No Item Name Qty UOM
1 M-0L364 Lock 5 EA
2 M-2H3504 Lock 1 EA
3 M-2J157 Seal - O-ring 2 EA
4 M-2P8234 Seal 1 EA
5 M-2P8643 Gasket 1 EA
6 M-2P8697 Gasket - Governor 1 EA
7 M-2P8763 Gasket 1 EA
8 M-2S7472 Gasket 1 EA
9 M-3D2992 Seal - O-ring 6 EA
10 M-3H3385 Seal - Hydraulic 2 EA
11 M-3P150 Gasket 2 EA
12 M-1H8171 Seal - Hydraulic 1 EA
13 M-3P1979 Seal - O-ring 1 EA
14 M-4F7391 Seal - Hydraulic 2 EA
15 M-4J519 Seal - O-ring 1 EA
16 M-4J521 1 EA
17 M-4J5268 Seal - Hydraulic 2 EA
18 M-4M2920 Gasket 1 EA
19 M-4M8303 Seal - O-ring 2 EA
20 M-4S8513 Gasket 1 EA
21 M-5H2767 Seal - O-ring 1 EA
22 M-5L8991 Gasket - Cover 1 EA
23 M-1M7390 Lock 2 EA
24 M-5P9294 Seal - Lip Type 2 EA
25 M-5P9757 Seal - O-ring 1 EA
26 M-6J2419 Seal - O-ring 2 EA
27 M-6L5766 Gasket 1 EA
28 M-6L5773 Gasket - Fuel Pump 1 EA
29 M-6N6830 Gasket 1 EA
30 M-6V8977 Seal - Fuel Transfer Pump 1 EA
31 M-7B8105 1 EA
32 M-7M38 Gasket 1 EA
33 M-7M969 Washer - Lock 1 EA
34 M-1P2278 Ring 1 EA
35 M-7S2374 Gasket 2 EA
36 M-8H2778 Gasket - Fuel Filter 1 EA
37 M-8H9180 Seal - Lip Type 1 EA
38 M-8M4389 Seal - O-ring 1 EA
39 M-8M4986 Seal - O-ring 1 EA
40 M-8M5249 Seal - O-ring 1 EA
41 M-8M5254 Seal - O-ring 1 EA
42 M-8M5266 Seal - O-ring 1 EA
43 M-8M8997 Seal - O-ring 1 EA
44 M-8S5011 Seal - O-ring 1 EA
45 M-1S777 Lock 1 EA
46 M-8S5093 Gasket 1 EA
47 M-8S5575 Seal 1 EA
48 M-8S6157 Gasket 1 EA
49 M-9M909 1 EA
50 M-9M6292 Lock 1 EA
51 M-9M6293 Lock 1 EA
52 M-9M6542 Gasket - Oil Lines Group 1 EA
53 M-9S1189 1 EA
54 M-9S1269 Gasket 1 EA
55 M-9S4490 Gasket 1 EA
56 M-1S7658 Lock 1 EA
57 M-9S4671 Oil Seal 1 EA
58 M-9S8016 Gasket 1 EA
59 M-1S9546 Gasket 1 EA
60 M-2A5328 Lock 2 EA
61 M-2F4159 Lock 1 EA
62 CG60 PR 1 EA
63 CG60PAD 1 EA

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.

  • 6V5966

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!

1 year warranty applies!

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Buy Now, Pay Later

Interest-Free Up To 12M

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Above The Line

Customer Service Guaranteed

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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