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  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      144-6303, 112-9790
    • Machine Serial Prefix
      5LS, 8TR, 6DR, 5LR, 8SR, 4RS, 3YR
    • Machine Sales Model
      330B, 330, W330B Material Handler
    • Bronze Kit Contains
      0, Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed.
    • Silver Kit Adds
      0, 6 pistons, liners, rings and retainers, and a rodless, unassembled cylinder pack
    • Engine Model
      3306
    • Engine Arrangement
      144-6303, 112-9790
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      108-1073, 121-9366, 121-9363, 108-1076, 121-9362, 108-1078, 121-9364
    • Machine Serial Prefix
      6HR, 8XN, 5RR, 4TR, 3ZN, 9PN, 8LN, 4FM, 4HN, 8TM, 2HM, 4MN, 5PR, 5LN, 6JN, 9MN, 4JR, 7GR, 6MR, DMP, 9BM, 2YN, 7KN
    • Machine Sales Model
      D6R
    • Bronze Kit Contains
      Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed., 0
    • Silver Kit Adds
      0, 6 pistons, liners, rings and retainers, and a rodless, unassembled cylinder pack
    • Engine Model
      3306
    • Engine Arrangement
      108-1073, 121-9366, 121-9363, 108-1076, 121-9362, 108-1078, 121-9364
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      106-3145, 9Y-1719, 6I-2965, 7.00E-82, 6C-2471, 6C-3458, 6N-3055, 6C-8499, 7W-1766, 2W-0820, 7W-4102, 2W-0819
    • Machine Serial Prefix
      61M, 3WC, 5MD, 3PL, 72V, 96U, 8BG, 3XJ, 9YJ, 6ML, 6FJ, 1SL, 94X, 99Y, 4YG
    • Machine Sales Model
      140H, 12G, 160H, 12H, 140G, 14G, 966E, 966F, 143H
    • Bronze Kit Contains
      0, Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed.
    • Engine Model
      3306
    • Engine Arrangement
      106-3145, 9Y-1719, 6I-2965, 7.00E-82, 6C-2471, 6C-3458, 6N-3055, 6C-8499, 7W-1766, 2W-0820, 7W-4102, 2W-0819
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      164-0729, 116-7557
    • Machine Sales Model
      627G, 627F, 627E, 627B
    • Machine Serial Prefix
      38V, 3WJ, 37V, 6FB, 4YK, AYK, 6HB
    • Bronze Kit Contains
      0, Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed.
    • Engine Model
      3306
    • Engine Arrangement
      164-0729, 116-7557
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      5R-7956, 5R-6935, 1W-0543, 5R-7776
    • Machine Sales Model
      D7G
    • Machine Serial Prefix
      4YB, 3ZD, 92V, 72W, 65V, 3GF
    • Bronze Kit Contains
      Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed., 0
    • Engine Model
      3306
    • Engine Arrangement
      5R-7956, 5R-6935, 1W-0543, 5R-7776
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      7W-1766, 2W-0820, 7W-4102, 2W-0819
    • Machine Serial Prefix
      3WC, 61M, 5MD, 3PL, 72V, 96U
    • Machine Sales Model
      143H, 140H, 12G, 160H, 12H, 140G, 14G
    • Bronze Kit Contains
      0, Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed.
    • Gold Kit Adds
      0, 6 Cat Reman cylinder pack assemblies
    • Engine Model
      3306
    • Engine Arrangement
      7W-1766, 2W-0820, 7W-4102, 2W-0819
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      106-3145, 9Y-1719, 6I-2965, 7.00E-82, 6C-2471, 6C-3458, 6N-3055, 6C-8499
    • Machine Sales Model
      966E, 966F
    • Machine Serial Prefix
      8BG, 3XJ, 9YJ, 6ML, 6FJ, 1SL, 94X, 99Y, 4YG
    • Bronze Kit Contains
      Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed., 0
    • Gold Kit Adds
      6 Cat Reman cylinder pack assemblies, 0
    • Engine Model
      3306
    • Engine Arrangement
      106-3145, 9Y-1719, 6I-2965, 7.00E-82, 6C-2471, 6C-3458, 6N-3055, 6C-8499
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      5R-7776, 5R-7956, 5R-6935, 1W-0543
    • Machine Serial Prefix
      3GF, 65V, 72W, 4YB, 3ZD, 92V
    • Machine Sales Model
      D7G
    • Bronze Kit Contains
      Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed., 0
    • Gold Kit Adds
      6 Cat Reman cylinder pack assemblies, 0
    • Engine Model
      3306
    • Engine Arrangement
      5R-7776, 5R-7956, 5R-6935, 1W-0543
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      147-1851, 133-0827
    • Machine Sales Model
      972G
    • Machine Serial Prefix
      9GW, 4WW, 6AW, 1EW, 7LS
    • Bronze Kit Contains
      Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed., 0
    • Silver Kit Adds
      0, 6 pistons, liners, rings and retainers, and a rodless, unassembled cylinder pack
    • Engine Model
      3306
    • Engine Arrangement
      147-1851, 133-0827
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      7C-0501, 6C-9273, 6C-4350, 123-5839, 6C-9274, 6I-2096, 6C-2476, 6C-8179, 1W-2630, 113-5380, 5C-9937, 6C-8177, 4P-2973, 116-7581, 6I-2097
    • Machine Serial Prefix
      2TL, 4LG, 8SK, 8YC, 5HF, 2KD, 4YF, 7PC, 1YL, 6CK, 9LK, 6CF, 3ZF, 3YG, 4RC, 9KJ
    • Machine Sales Model
      D6H
    • Bronze Kit Contains
      Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed., 0
    • Silver Kit Adds
      6 pistons, liners, rings and retainers, and a rodless, unassembled cylinder pack, 0
    • Engine Model
      3306
    • Engine Arrangement
      7C-0501, 6C-9273, 6C-4350, 123-5839, 6C-9274, 6I-2096, 6C-2476, 6C-8179, 1W-2630, 113-5380, 5C-9937, 6C-8177, 4P-2973, 116-7581, 6I-2097
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      7W-1766, 2W-0820, 7W-4102, 2W-0819
    • Machine Serial Prefix
      61M, 3WC, 5MD, 3PL, 72V, 96U
    • Machine Sales Model
      143H, 140H, 12G, 160H, 12H, 140G, 14G
    • Bronze Kit Contains
      Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed., 0
    • Platinum Kit Adds
      6 Cat Reman cylinder packs, 6 Cat Reman injectors or fuel nozzles, and a Cat Reman complete cylinder head, water pump and oil pump, 0
    • Engine Model
      3306
    • Engine Arrangement
      7W-1766, 2W-0820, 7W-4102, 2W-0819
    Compare
  • Precious Metal™ Engine Rebuild Kits for Machines
    Availability
    Brand
    Cat
    • Engine Model
      3306
    • Engine Arrangement
      4P-4730, 7N-1141, 9Y-2640
    • Machine Sales Model
      615C
    • Machine Serial Prefix
      46Z, B6M, 2XG, 9XG, 5TF
    • Bronze Kit Contains
      0, Includes temperature regulator, fuel filter, oil filter, hose, thrust plate, spring, gaskets, o-rings, seals, plugs, retainer ring, bolts, nuts, washers, bearings, locks, studs, clamps, spacers, breather assembly. Includes screen assembly as needed.
    • Platinum Kit Adds
      6 Cat Reman cylinder packs, 6 Cat Reman injectors or fuel nozzles, and a Cat Reman complete cylinder head, water pump and oil pump, 0
    • Engine Model
      3306
    • Engine Arrangement
      4P-4730, 7N-1141, 9Y-2640
    Compare
View local pricing and inventory as well as place orders online.
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With Bronze, Silver, Gold and Platinum, you're assured every part meets rigid Cat quality standards. Choose the appropriate kit level, plus a variety of suggested options to obtain all the parts necessary to complete your engine rebuild.

Get more for your money. Prepackaged kit options feature improved pricing and contain everything you need for a cost-effective repair solution.

Count on quality. Genuine Cat engine components are manufactured to precise specifications and engineered for a reliable rebuild, boosting productivity and minimizing downtime. They work together as a system to give your machine new life.

Save time and effort. Because there's no need to select individual parts for the repair, you always get exactly what you need - no more, no less. That simplifies ordering and handling, shortens turnaround time and reduces the chance for errors.

FIND YOUR REBUILD KIT

Rebuild kits are specific to the machine, the machine serial prefix, engine model and engine arrangement. To find your Engine Rebuild kit you will need the following:

  • Machine serial number prefix
  • Engine model
  • Engine arrangement

Once you have that information, use the Cat Engine Rebuild Kit configurator to find the correct kit for your machine.