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HomeUpgrade & Repair KitsRepair & Service KitsEnginesGeneral Engine Repair & Service Kits421-9722: Top End Engine Overhaul Kit
HomeUpgrade & Repair KitsRepair & Service KitsEnginesGeneral Engine Repair & Service Kits421-9722: Top End Engine Overhaul Kit
421-9722: Top End Engine Overhaul Kit

TOP END OVERHAUL KIT FOR THE 3412 MARINE ENGINE.

Brand: Cat

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421-9722: Top End Engine Overhaul Kit
421-9722: Top End Engine Overhaul Kit

TOP END OVERHAUL KIT FOR THE 3412 MARINE ENGINE.

Brand: Cat

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Items included

No results available.

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219-6544: Aftercooler & Lines Install Gasket KitQuantity: 1
516-5987: 3/8 - 16 Thread High-Temperature Taperlock Stud
516-5987: 3/8 - 16 Thread High-Temperature Taperlock StudQuantity: 4
421-1305: GASKET (F) KIT
421-1305: GASKET (F) KITQuantity: 1
106-1792: 100mm Long Taper Lock Steel Stud
106-1792: 100mm Long Taper Lock Steel StudQuantity: 24
3E-6916: 3/8''-16 Hex Nut
3E-6916: 3/8''-16 Hex NutQuantity: 4
3D-2824: 2.95 x 23.47mm 90A NBR O-Ring
3D-2824: 2.95 x 23.47mm 90A NBR O-RingQuantity: 1
2N-2766: 3/8''-16 Cone Lock Nut
2N-2766: 3/8''-16 Cone Lock NutQuantity: 24
245-8342: 0.8mm Thick Square Gasket
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8F-4994: 23.16mm Inside Diameter Seal-O-Ring
8F-4994: 23.16mm Inside Diameter Seal-O-RingQuantity: 1
421-8976: Oil Cooler and Lines Gasket Kit
421-8976: Oil Cooler and Lines Gasket KitQuantity: 1
6V-0237: Expansion Tank Install Gasket Kit
6V-0237: Expansion Tank Install Gasket KitQuantity: 1
4L-8337: 81mm Inner Diameter O-Ring Seal
4L-8337: 81mm Inner Diameter O-Ring SealQuantity: 2
1R-0749: Secondary Fuel Filter
1R-0749: Secondary Fuel FilterQuantity: 2
248-5513: Engine Water Temperature Regulator
248-5513: Engine Water Temperature RegulatorQuantity: 2
305-6843: 21.08mm Inner Diameter Lifter Guide Spring
305-6843: 21.08mm Inner Diameter Lifter Guide SpringQuantity: 24
419-8601: Single Cylinder Head Install Kit
419-8601: Single Cylinder Head Install KitQuantity: 2
4H-9541: 0.8mm Thick Exhaust Flange Gasket
4H-9541: 0.8mm Thick Exhaust Flange GasketQuantity: 1
5S-1188: 88.26mm Inside Diameter Seal-O-Ring
5S-1188: 88.26mm Inside Diameter Seal-O-RingQuantity: 2
1R-1808: Engine Oil Filter
1R-1808: Engine Oil FilterQuantity: 2
Showing 1 to 19 of 19
DescriptionSpecificationsCompatible Models
Specifications for part number 421-9722

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

Compatible Models for part number 421-9722

MARINE ENGINE

3412

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KeyKey
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