1P6959 | Caterpillar 3304/3306 Overhaul Gasket Set, New

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1P6959 | Caterpillar 3304/3306 Overhaul 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-1P6959 — Gasket Kit - Overhaul
Line No Kit Item No Item Name Qty UOM
1 M-2A5328 Lock 2 EA
2 M-4F6109 Gasket 1 EA
3 M-2S8145 1 EA
4 M-5S1187 Gasket 1 EA
5 M-5S2106 Seal - Fan Drive 1 EA
6 M-5S4548 Seal - O-ring 1 EA
7 M-5S4554 1 EA
8 M-5S5880 Nut - Lock - Planetary 5 EA
9 M-5S5881 Nut - Lock 2 EA
10 M-5S6047 Gasket 1 EA
11 M-5S6670 18 EA
12 M-5S6735 Gasket - Cover 1 EA
13 M-5F3106 3 EA
14 M-5S7134 Gasket 1 EA
15 M-5S7135 Gasket 1 EA
16 M-5S7611 Lock - Shaft 1 EA
17 M-5S8055 Gasket 1 EA
18 M-5S9020 Gasket 1 EA
19 M-5S9021 Seal - Lip Type 1 EA
20 M-5S9022 Seal - Crankshaft - Rear 1 EA
21 M-5S9060 Gasket 1 EA
22 M-5S9588 Gasket 1 EA
23 M-5S9594 Gasket 1 EA
24 M-5F3999 Seal - O-ring 1 EA
25 M-5S9611 Gasket 1 EA
26 M-7S2374 Gasket 2 EA
27 M-7S3206 Seal - O-ring 6 EA
28 M-7S6744 Gasket 2 EA
29 M-7S6774 Lock - Nut 1 EA
30 M-8S768 Seal - O-ring 1 EA
31 M-8S877 Gasket 1 EA
32 M-8S1491 Lock - Camshaft 1 EA
33 M-8S1605 Gasket - Valve Cover 1 EA
34 M-1694199 Gasket - Oil Pan 1 EA
35 M-6F1069 Seal - O-Ring 6 EA
36 M-8S2630 Lock - Bolt 1 EA
38 M-8S5409 Gasket - Bonnet 2 EA
39 M-8S6410 Gasket - Exhaust Manifold 3 EA
40 M-8S8821 Seal - Water Pump 1 EA
41 M-8S8871 Lock - Nut 1 EA
42 M-8S8874 Lock - Nut 1 EA
43 M-9S1274 Gasket - Air Cleaner 2 EA
44 M-9S3187 Lock 1 EA
45 M-9S3188 Lock 1 EA
46 M-6F4855 Seal - O-ring 1 EA
47 M-9S4490 Gasket 1 EA
48 M-9S4671 Oil Seal 1 EA
49 M-9S7083 Gasket - Air Lines Group 1 EA
50 M-9S8738 Gasket 1 EA
51 M-9S9166 Gasket 1 EA
52 M-0T225 Gasket 1 EA
53 M-0T329 Lock - Nut 1 EA
54 M-7F7590 Gasket - Oil Lines Group 1 EA
55 M-8F9206 Seal - O-ring 1 EA
56 M-9F4446 Seal - O-ring 1 EA
57 M-9F4522 Gasket 1 EA
58 M-1H1023 Seal - O-ring 3 EA
59 M-5B131 1 EA
60 M-2H3504 Lock 1 EA
61 M-2H3931 Seal - O-ring 1 EA
62 M-2H3934 Seal - Transfer Pump 1 EA
63 M-2H6184 Seal - Hydraulic 1 EA
64 M-3H4970 Seal - Accessory Drive 1 EA
65 M-3H5175 Gasket - Air Comp 1 EA
66 M-3H7311 Gasket 1 EA
67 M-4H7869 Gasket - Starter 1 EA
68 M-6H4208 Screw - Lock 1 EA
69 M-7H1796 Gasket 1 EA
70 M-5B3718 Seal - O-Ring 6 EA
71 M-8H9220 Gasket 1 EA
72 M-8H9364 Gasket 1 EA
73 M-8H9788 Gasket 1 EA
74 M-9H2770 Gasket 1 EA
75 M-9H4557 Seal - O-ring 2 EA
76 M-9H4891 Gasket 1 EA
77 M-9H5829 Gasket 1 EA
78 M-9H5921 Gasket 1 EA
79 M-9H6067 Seal - O-ring 4 EA
80 M-9H8839 Seal 1 EA
81 M-7B9457 Lock - Nut 2 EA
82 M-2J157 Seal - O-ring 2 EA
83 M-4J2506 Seal - O-ring 1 EA
84 M-6J2419 Seal - O-ring 2 EA
85 M-1P3703 Seal - Hydraulic 1 EA
86 M-6J3650 1 EA
87 M-0L364 Lock 5 EA
88 M-5L5032 Seal - O-ring 1 EA
89 M-5L8991 Gasket - Cover 1 EA
90 M-6L1884 Gasket 2 EA
91 M-6L5359 Seal - O-ring 1 EA
92 M-2D6392 Seal - O-ring 1 EA
93 M-6L5766 Gasket 1 EA
94 M-6L5773 Gasket - Fuel Pump 1 EA
95 M-7L552 Gasket 1 EA
96 M-1M9390 Gasket 1 EA
97 M-2M4453 Seal - O-ring 1 EA
98 M-2M5407 Gasket - Oil Lines Group 1 EA
99 M-2M8691 Gasket 1 EA
100 M-4M189 Seal - O-ring 2 EA
101 M-4M1832 Gasket 1 EA
102 M-4M1851 Gasket 1 EA
103 M-3D2992 Seal - O-ring 6 EA
104 M-1694200 Gasket - Oil Pan 1 EA
105 M-4M4419 Lock 1 EA
106 M-4M6480 Gasket - Cover 1 EA
107 M-4M8303 Seal - O-ring 1 EA
108 M-5M9131 Lock - Flywheel Housing 1 EA
109 M-5M9134 Gasket 1 EA
110 M-5M9135 Lock - Flywheel Housing 1 EA
111 M-5M9136 Lock - Flywheel Housing 1 EA
112 M-7M910 Gasket 1 EA
113 M-7M7205 Lock 2 EA
114 M-2F4159 Lock 1 EA
115 M-7M9763 Lock - Nut 2 EA
116 M-8M904 Gasket - Oil Lines Group 1 EA
117 M-8M2331 Gasket 1 EA
118 M-8M4432 Seal - O-ring 4 EA
119 M-8M4445 Seal - O-ring 1 EA
120 M-8M4448 Seal - O-ring 2 EA
121 M-8M4987 Seal - O-ring 1 EA
122 M-8M4988 Seal - O-ring 4 EA
123 M-8M5248 Seal - O-ring 1 EA
124 M-8M5260 Seal - O-ring 1 EA
125 M-2F6156 Lock - Nut 2 EA
126 M-8M7587 Lock - Nut 2 EA
127 M-8M8997 Seal - O-ring 1 EA
128 M-9M6292 Lock 1 EA
129 M-9M6293 Lock 1 EA
130 M-9M7622 Gasket 1 EA
131 M-9M8513 2 EA
132 M-1N9177 Seal 1 EA
133 M-6N7263 Gasket - Cylinder Head 1 EA
134 M-1P6832 Gasket 1 EA
135 M-2P8763 Gasket 1 EA
136 M-2F6678 Oil Seal 1 EA
137 M-1S1767 1 EA
138 M-1S2043 Gasket 1 EA
139 M-1S4295 Gasket - Turbocharger 1 EA
140 M-1S4810 Gasket - Turbocharger Oil Supp 1 EA
141 M-1S6595 Gasket - Turbocharger Oil Supp 1 EA
142 M-1S7107 Gasket 1 EA
143 M-2S1218 Gasket 1 EA
144 M-2S1830 Gasket 1 EA
145 M-2S4080 Gasket 1 EA
146 M-2S7314 Gasket 1 EA
147 M-1757904 Seal - O-ring 3 EA
148 M-4565581 Seal - O-ring 18 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.

  • 1P6959

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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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