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HomeUpgrade & Repair KitsRepair & Service KitsEnginesEngine Gasket Kits421-9724: Engine Overhaul (Top End) Kit
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Upgrade & Repair KitsRepair & Service KitsEnginesEngine Gasket Kits
421-9724: Engine Overhaul (Top End) Kit
421-9724: Engine Overhaul (Top End) Kit

Marine Bundled Repair Solution, 3412 Engine Overhaul

Brand: Cat

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100mm Long Taper Lock Steel Stud
3/8''-16 Cone Lock Nut
2.46 x 19.18mm 78A HNBR O-Ring
GASKET (F) KIT
0.35mm Thick Metal Coated Gasket
3.53 x 101.19mm 75A FKM O-Ring
3/8''-16 x 1 3/4'' Hex Flange Head Bolt
23.16mm Inside Diameter Seal-O-Ring
Engine Water Temperature Regulator
Secondary Fuel Filter
Aftercooler & Lines Install Gasket Kit
Oil Cooler and Lines Gasket Kit
21.08mm Inner Diameter Lifter Guide Spring
Engine Oil Filter
94.62mm Inside Diameter Seal-O-Ring
Single Cylinder Head Install Kit
421-9724: Engine Overhaul (Top End) Kit

Marine Bundled Repair Solution, 3412 Engine Overhaul

Brand: Cat

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106-1792: 100mm Long Taper Lock Steel Stud
106-1792: 100mm Long Taper Lock Steel StudQuantity: 24
2N-2766: 3/8''-16 Cone Lock Nut
2N-2766: 3/8''-16 Cone Lock NutQuantity: 32
114-4427: 2.46 x 19.18mm 78A HNBR O-Ring
114-4427: 2.46 x 19.18mm 78A HNBR O-RingQuantity: 2
420-2031: GASKET (F) KIT
420-2031: GASKET (F) KITQuantity: 1
226-4753: 0.35mm Thick Metal Coated Gasket
226-4753: 0.35mm Thick Metal Coated GasketQuantity: 1
6V-6353: 3.53 x 101.19mm 75A FKM O-Ring
6V-6353: 3.53 x 101.19mm 75A FKM O-RingQuantity: 2
2N-2765: 3/8''-16 x 1 3/4'' Hex Flange Head Bolt
2N-2765: 3/8''-16 x 1 3/4'' Hex Flange Head BoltQuantity: 8
112-3540: 23.16mm Inside Diameter Seal-O-Ring
112-3540: 23.16mm Inside Diameter Seal-O-RingQuantity: 2
248-5513: Engine Water Temperature Regulator
248-5513: Engine Water Temperature RegulatorQuantity: 2
1R-0749: Secondary Fuel Filter
1R-0749: Secondary Fuel FilterQuantity: 2
219-6543: Aftercooler & Lines Install Gasket Kit
219-6543: Aftercooler & Lines Install Gasket KitQuantity: 1
420-8545: Oil Cooler and Lines Gasket Kit
420-8545: Oil Cooler and Lines Gasket KitQuantity: 1
305-6843: 21.08mm Inner Diameter Lifter Guide Spring
305-6843: 21.08mm Inner Diameter Lifter Guide SpringQuantity: 24
1R-1808: Engine Oil Filter
1R-1808: Engine Oil FilterQuantity: 2
6V-3917: 94.62mm Inside Diameter Seal-O-Ring
6V-3917: 94.62mm Inside Diameter Seal-O-RingQuantity: 8
420-4325: Single Cylinder Head Install Kit
420-4325: Single Cylinder Head Install KitQuantity: 2
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DescriptionSpecificationsCompatible Models
Specifications for part number 421-9724

We are still working on adding a specification for this part.

Compatible Models for part number 421-9724

GENERATOR SET

3412C

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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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