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HomeUpgrade & Repair KitsRepair & Service KitsEnginesEngine Gasket Kits436-1678: Engine Overhaul (Major) Kit
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Upgrade & Repair KitsRepair & Service KitsEnginesEngine Gasket Kits436-1678: Engine Overhaul (Major) Kit
436-1678: Engine Overhaul (Major) Kit

Marine Bundled Repair Solution, 3412 Engine Overhaul

Brand: Cat

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436-1678: Engine Overhaul (Major) Kit
436-1678: Engine Overhaul (Major) Kit

Marine Bundled Repair Solution, 3412 Engine Overhaul

Brand: Cat

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Parts included in this kit

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420-8545: Oil Cooler and Lines Gasket Kit
420-8545: Oil Cooler and Lines Gasket KitQuantity: 1
419-8601: Single Cylinder Head Install Kit
419-8601: Single Cylinder Head Install KitQuantity: 2
7N-2443: 63.7mm Thrust Washer
7N-2443: 63.7mm Thrust WasherQuantity: 1
4N-6658: 76.94mm Outside Diameter Cylinder Block Bearing
4N-6658: 76.94mm Outside Diameter Cylinder Block BearingQuantity: 2
4N-0342: 4.65mm Thick Plate
4N-0342: 4.65mm Thick PlateQuantity: 1
9Y-2988: Engine Crankcase Breather
9Y-2988: Engine Crankcase BreatherQuantity: 1
305-6843: 21.08mm Inner Diameter Lifter Guide Spring
305-6843: 21.08mm Inner Diameter Lifter Guide SpringQuantity: 24
111-2721: Water Pump Felt Plug Filter
111-2721: Water Pump Felt Plug FilterQuantity: 1
1R-1808: Engine Oil Filter
1R-1808: Engine Oil FilterQuantity: 2
2K-4973: 3/8''-16 Cone Lock Nut
2K-4973: 3/8''-16 Cone Lock NutQuantity: 1
3B-1915: 3/8''-16 x 1 3/8'' Hex Head Bolt
3B-1915: 3/8''-16 x 1 3/8'' Hex Head BoltQuantity: 2
4N-0685: 76.94mm Outside Diameter Sleeve Bearing
4N-0685: 76.94mm Outside Diameter Sleeve BearingQuantity: 5
4N-8150: 93.73mm Free Length Compression Spring
4N-8150: 93.73mm Free Length Compression SpringQuantity: 2
7W-6534: 3/8-18 NPTF Thread Hex-Drive Plug
7W-6534: 3/8-18 NPTF Thread Hex-Drive PlugQuantity: 4
5F-0304: 5/8-18 Thread Hex Drive Drain Plug
5F-0304: 5/8-18 Thread Hex Drive Drain PlugQuantity: 2
5S-1188: 88.26mm Inside Diameter Seal-O-Ring
5S-1188: 88.26mm Inside Diameter Seal-O-RingQuantity: 2
5M-2894: 3/8" ID Steel Flat Washer
5M-2894: 3/8" ID Steel Flat WasherQuantity: 3
5H-8985: 12.70mm Long Chamfer End Spring Pin
5H-8985: 12.70mm Long Chamfer End Spring PinQuantity: 1
4H-9541: 0.8mm Thick Exhaust Flange Gasket
4H-9541: 0.8mm Thick Exhaust Flange GasketQuantity: 1
9S-8752: 3/8''-16 Hex Nut
9S-8752: 3/8''-16 Hex NutQuantity: 19
9S-4190: 7/8-14 Thread Hex-Drive Plug
9S-4190: 7/8-14 Thread Hex-Drive PlugQuantity: 7
8T-6757: 1/8-27 NPTF Thread Hex Drive Plug
8T-6757: 1/8-27 NPTF Thread Hex Drive PlugQuantity: 6
219-6544: Aftercooler & Lines Install Gasket Kit
219-6544: Aftercooler & Lines Install Gasket KitQuantity: 1
454-5379: Flywheel Housing Gasket Kit - Rear Structure
454-5379: Flywheel Housing Gasket Kit - Rear StructureQuantity: 1
6N-1027: 3.16mm Thick Thrust Plate
6N-1027: 3.16mm Thick Thrust PlateQuantity: 1
3E-6916: 3/8''-16 Hex Nut
3E-6916: 3/8''-16 Hex NutQuantity: 4
106-1792: 100mm Long Taper Lock Steel Stud
106-1792: 100mm Long Taper Lock Steel StudQuantity: 24
112-9217: 4mm Thick Idler thrust plate
112-9217: 4mm Thick Idler thrust plateQuantity: 1
2S-2760: 152.91mm Free Length Compression Spring
2S-2760: 152.91mm Free Length Compression SpringQuantity: 1
2N-2766: 3/8''-16 Cone Lock Nut
2N-2766: 3/8''-16 Cone Lock NutQuantity: 24
272-2583: 2.62 x 53.64mm 75A FKM O-Ring
272-2583: 2.62 x 53.64mm 75A FKM O-RingQuantity: 1
419-8222: FRONT HOUSING INSTALL GASKET KIT
419-8222: FRONT HOUSING INSTALL GASKET KITQuantity: 1
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Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced

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