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HomeUpgrade & Repair KitsUpgrade KitsPerformance & Productivity451-8378: Auxiliary Cooler Kit
HomeUpgrade & Repair KitsUpgrade KitsPerformance & Productivity451-8378: Auxiliary Cooler Kit
Parts included in this kit

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195-1141: 11mm Thick Hydraulic Pilot Lines Bolt Spacer
195-1141: 11mm Thick Hydraulic Pilot Lines Bolt SpacerQuantity: 4
117-9080: 12 Volt Direct current Magnetic Switch
117-9080: 12 Volt Direct current Magnetic SwitchQuantity: 1
455-2114: BRACKET AS
455-2114: BRACKET ASQuantity: 1
455-1533: Tube Assembly
455-1533: Tube AssemblyQuantity: 1
398-9354: Two Wire Braid Compact Hose
398-9354: Two Wire Braid Compact HoseQuantity: 1
345-3504: Mounting and Cooler Group
345-3504: Mounting and Cooler GroupQuantity: 1
443-9071: Hydraulic Oil Cooler Cover
443-9071: Hydraulic Oil Cooler CoverQuantity: 1
7K-3262: 25.40mm Long Steel Thumb Screw
7K-3262: 25.40mm Long Steel Thumb ScrewQuantity: 6
473-6217: Hydraulic Pump Lines Hose
473-6217: Hydraulic Pump Lines HoseQuantity: 1
136-1955: Bulk Hose
136-1955: Bulk HoseQuantity: 63
183-7121: M10-1.5 x 35mm Hex Head Bolt
183-7121: M10-1.5 x 35mm Hex Head BoltQuantity: 6
124-3243: 16mm Overall Width Bulk Seal
124-3243: 16mm Overall Width Bulk SealQuantity: 178
148-8357: ELBOW AS
148-8357: ELBOW ASQuantity: 2
3S-2093: 202mm long Cable Strap
3S-2093: 202mm long Cable StrapQuantity: 13
6V-9832: 1-3/16-12 Thread O Ring Face Seal Cap
6V-9832: 1-3/16-12 Thread O Ring Face Seal CapQuantity: 1
8T-4223: M12 ID Steel Flat Washer
8T-4223: M12 ID Steel Flat WasherQuantity: 4
394-5386: Auxiliary Cooler Wiring Harness
394-5386: Auxiliary Cooler Wiring HarnessQuantity: 1
451-8372: Hydraulic Oil Cooler Tube
451-8372: Hydraulic Oil Cooler TubeQuantity: 1
466-3510: Hose Guard
466-3510: Hose GuardQuantity: 1
560-6302: 3mm Thick Magnetic Switch Mounting Plate
560-6302: 3mm Thick Magnetic Switch Mounting PlateQuantity: 1
4H-7655: Dual Tube Clip
4H-7655: Dual Tube ClipQuantity: 2
345-6073: 3mm Thick Two Bolt Mounting Clamp Plate
345-6073: 3mm Thick Two Bolt Mounting Clamp PlateQuantity: 2
342-9922: M8-1.25 x 25mm Hex Flange Head Bolt
342-9922: M8-1.25 x 25mm Hex Flange Head BoltQuantity: 2
521-6104: 1.6mm Thick Spring Band Clamp
521-6104: 1.6mm Thick Spring Band ClampQuantity: 4
7X-2031: 127mm Outer Diameter Push On Nut
7X-2031: 127mm Outer Diameter Push On NutQuantity: 6
2P-1293: 1-3/16-12 Thread Hex 37° Flared Bulk Head Lock Nut
2P-1293: 1-3/16-12 Thread Hex 37° Flared Bulk Head Lock NutQuantity: 4
451-8370: Hydraulic Oil Cooler Cover Bracket
451-8370: Hydraulic Oil Cooler Cover BracketQuantity: 1
8T-4171: M6-1 x 12mm Hex Head Bolt
8T-4171: M6-1 x 12mm Hex Head BoltQuantity: 2
344-5674: M8 x 1.25mm Hex Nut
344-5674: M8 x 1.25mm Hex NutQuantity: 2
8T-4121: M10 ID Steel Flat Washer
8T-4121: M10 ID Steel Flat WasherQuantity: 10
8T-4224: M8 ID Steel Flat Washer
8T-4224: M8 ID Steel Flat WasherQuantity: 2
8T-4244: M12 x 1.75mm Hex Nut
8T-4244: M12 x 1.75mm Hex NutQuantity: 2
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DescriptionSpecificationsCompatible Models
Description for part number 451-8378

Roof mounted auxiliary hydraulic cooler provides additional hydraulic cooling capacity. For use in heavy duty applications (i.e. mulching, brush cutting, etc.) where the machine is utilized continuously in XE mode with high demand on the Hystat system at ambient temperatures greater than 38 Celsius (100 Fahrenheit). Not compatible with the FOPS Level 2 guarding.

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Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 451-8378

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

Compatible Models for part number 451-8378

MULTI TERRAIN LOADER

297D XHP 297D2 297D2 XHP

COMPACT TRACK LOADER

299D3 XE 299D3 299D2 299D XHP 299D2 XHP

SKID STEER LOADER

272D XHP 272D2 XHP 272D3 XE 272D3 272D2

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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