343019 | Caterpillar D343/D346/D348/D349 Fuel Injector Components, New

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343019 | Caterpillar D343/D346/D348/D349 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.

Application
D343

Key Features

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

Kit Contents

Kit: MCB343019 — Gasket Set - Fuel System
Line No Kit Item No Item Name Qty UOM
1 M-4J519 Seal - O-ring 1 EA
2 M-7S2374 Gasket 1 EA
3 M-6V8977 Seal - Fuel Transfer Pump 2 EA
4 M-5P9294 Seal - Lip Type 1 EA
5 M-6J2419 Seal - O-ring 2 EA
6 M-9S1269 Gasket 1 EA
7 M-9M6542 Gasket - Oil Lines Group 1 EA
8 M-4J5268 Seal - Hydraulic 2 EA
9 M-3P150 Gasket 1 EA
10 M-8S5093 Gasket 1 EA
11 M-1H8171 Seal - Hydraulic 1 EA
12 M-2S7472 Gasket 1 EA
13 M-3D2992 Seal - O-ring 6 EA
14 M-1S9546 Gasket 1 EA
15 M-8H9204 Washer - Felt - Fuel Pump 6 EA
16 M-8S5067 Gasket 1 EA
17 M-8M8997 Seal - O-ring 1 EA
18 M-4S8513 Gasket 1 EA
19 M-9F4522 Gasket 1 EA
20 M-9S4671 Oil Seal 1 EA
21 M-5L8991 Gasket - Cover 1 EA
22 M-2J157 Seal - O-ring 2 EA
23 M-3H3385 Seal - Hydraulic 1 EA
24 M-2F4159 Lock 1 EA
25 M-2P8643 Gasket 1 EA
26 M-2P8234 Seal 1 EA
27 M-3P1979 Seal - O-ring 1 EA
28 M-8M4389 Seal - O-ring 1 EA
29 M-8M5254 Seal - O-ring 1 EA
30 M-1S777 Lock 1 EA
31 M-8L4159 Gasket 1 EA
32 M-8L3873 Gasket 2 EA
33 M-2M2489 Oil Seal 2 EA
34 M-7M38 Gasket 1 EA
35 M-8L4156 Gasket 1 EA
36 M-5K227 Seal - O-ring 1 EA
37 M-2P8669 Gasket - Governor 1 EA
38 M-5P796 Seal - Lip Type 1 EA
39 M-1S7336 Lock 1 EA
40 MI-15PR 1 EA
41 M-6L5766 Gasket 1 EA
42 M-4S7458 Diaphragm 1 EA
43 M-6L5773 Gasket - Fuel Pump 1 EA
44 M-7N8512 Seal 1 EA
45 M-1W4797 Diaphragm 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.

    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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    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

    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