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HomeUpgrade & Repair KitsRepair & Service KitsEnginesEngine Gasket Kits324-8857: Engine Overhaul (Hard Parts) Kit
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Upgrade & Repair KitsRepair & Service KitsEnginesEngine Gasket Kits
324-8857: Engine Overhaul (Hard Parts) Kit
324-8857: Engine Overhaul (Hard Parts) Kit

Cat® Engine Overhaul Kit for Commercial Engines (6.25 Bore)

Brand: Cat

Product Images
Intake Retainer
128.5mm Length Intake Valve Guide
15.88mm Thick Exhaust Insert Valve Seat
53.35mm Long Inner Valve Spring
7.11mm Thick Crankshaft Thrust Plate
59.69mm Head Diameter Exhaust Valve Stem
Valve Spring Retainer
138.2mm Length Exhaust Valve Guide
Steel Backed Connecting Rod Bearing
32mm Inner Diameter Piston Pin
Cylinder Head Valve Rotator
2.286mm Thick Piston Retainer
Engine Piston Body
Sleeve Bearing Bushing
57.90mm Steel Alloy Casted Inlet Valve Seat Insert
Engine Replacement Piston Ring
238.54mm Long Inlet Valve
12.5mm Long Hard Hollow Spacer
162.51mm Outer Diameter Main Bearing
Cylinder Head Valve Spring
Single Cylinder Liner Gasket Kit
9.37mm Long V Retainer Lock
324-8857: Engine Overhaul (Hard Parts) Kit

Cat® Engine Overhaul Kit for Commercial Engines (6.25 Bore)

Brand: Cat

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Items included

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1W-3062: Intake Retainer
1W-3062: Intake RetainerQuantity: 12
2N-9298: 128.5mm Length Intake Valve Guide
2N-9298: 128.5mm Length Intake Valve GuideQuantity: 12
8M-4014: 15.88mm Thick Exhaust Insert Valve Seat
8M-4014: 15.88mm Thick Exhaust Insert Valve SeatQuantity: 12
9M-5349: 53.35mm Long Inner Valve Spring
9M-5349: 53.35mm Long Inner Valve SpringQuantity: 24
4L-4653: 7.11mm Thick Crankshaft Thrust Plate
4L-4653: 7.11mm Thick Crankshaft Thrust PlateQuantity: 2
1W-1822: 59.69mm Head Diameter Exhaust Valve Stem
1W-1822: 59.69mm Head Diameter Exhaust Valve StemQuantity: 12
2N-9297: Valve Spring Retainer
2N-9297: Valve Spring RetainerQuantity: 12
2N-9299: 138.2mm Length Exhaust Valve Guide
2N-9299: 138.2mm Length Exhaust Valve GuideQuantity: 12
8N-7769: Steel Backed Connecting Rod Bearing
8N-7769: Steel Backed Connecting Rod BearingQuantity: 12
524-7997: 32mm Inner Diameter Piston Pin
524-7997: 32mm Inner Diameter Piston PinQuantity: 12
7N-7639: Cylinder Head Valve Rotator
7N-7639: Cylinder Head Valve RotatorQuantity: 24
7M-4926: 2.286mm Thick Piston Retainer
7M-4926: 2.286mm Thick Piston RetainerQuantity: 24
7N-4515: Engine Piston Body
7N-4515: Engine Piston BodyQuantity: 12
8N-2275: Sleeve Bearing Bushing
8N-2275: Sleeve Bearing BushingQuantity: 12
5S-1757: 57.90mm Steel Alloy Casted Inlet Valve Seat Insert
5S-1757: 57.90mm Steel Alloy Casted Inlet Valve Seat InsertQuantity: 12
1W-5105: Engine Replacement Piston Ring
1W-5105: Engine Replacement Piston RingQuantity: 12
1W-8606: 238.54mm Long Inlet Valve
1W-8606: 238.54mm Long Inlet ValveQuantity: 12
3N-1414: 12.5mm Long Hard Hollow Spacer
3N-1414: 12.5mm Long Hard Hollow SpacerQuantity: 24
8N-7764: 162.51mm Outer Diameter Main Bearing
8N-7764: 162.51mm Outer Diameter Main BearingQuantity: 7
9M-5350: Cylinder Head Valve Spring
9M-5350: Cylinder Head Valve SpringQuantity: 24
5P-8970: Single Cylinder Liner Gasket Kit
5P-8970: Single Cylinder Liner Gasket KitQuantity: 12
2A-4429: 9.37mm Long V Retainer Lock
2A-4429: 9.37mm Long V Retainer LockQuantity: 48
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DescriptionSpecificationsCompatible Models
Specifications for part number 324-8857

Units of Measure

USMetric
Width (mm): 838.2
Height (mm): 304.8
Length (in): 49
Length (mm): 1,244.60
Height (in): 12
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Compatible Models for part number 324-8857

GEN SET ENGINE

D398B

MARINE ENGINE

D398A

INDUSTRIAL ENGINE

D398

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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

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