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HomeUpgrade & Repair KitsRepair & Service KitsEnginesGeneral Engine Repair & Service Kits8N-3666: Air Compressor Kit
HomeUpgrade & Repair KitsRepair & Service KitsEnginesGeneral Engine Repair & Service Kits8N-3666: Air Compressor Kit

Parts included in this kit

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DescriptionSpecificationsCompatible Models

Description for part number 8N-3666

The air compressor kit includes (2) Unloader Valve Pistons, (2) Unloader Valve Plungers, (2) Unloader Valve Plunger Guides , (1) Unloader Valve Spring, (1) Unloader Valve Spring Seat, (1) Unloader Valve Spring Saddle, (2) Crankshaft Bearings, (2) Thrust Washers, (2) Discharge Valves, (2) Discharge Valve Springs, (2) Discharge Valve Seats, (2) Inlet Valves, (2) Inlet Valve Springs, (2) Inlet Valve Guides, (2) Connecting Rod Locks, (4) Insert Bearings, (4) Wrist Pin Buttons, (1) Cylinder Head Gasket, (1) Inlet Gasket, (8) Lockwashers, (4) O- Ring Retainers , (6) O-ring Sealings, (8) 7/16 Bolts , (4) 5/16 Bolts, ( 6) 3/8 Bolts and (1) Instruction Form for a major repair in the Air Compressor. Our kits are designed for convenience - prepackaged, ordered with a single part number and delivered in a single box, saving you time and money

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 8N-3666

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

Compatible Models for part number 8N-3666

PUMPER

SPS343 SPF343C SPT343

GENERATOR

SR4

TRUCK ENGINE

1673C 3208 3406C 3406B 3176 3408B 3176B 3408 3406 3306C 3306B 3306

REMAN ENGINE

3406B

OFF HIGHWAY TRUCK

773

MOTOR GRADER

16G

TRACK-TYPE TRACTOR

D9H

MINING EXCAVATOR

5130 5230

EXCAVATOR

235B 245

PETROLEUM PACKAGE

TH48-E70

RIPPER SCARIFIER

16G

WHEEL TRACTOR

633E II 623B 651B 651E 621B 657E 621R 621E 633D 621S 621 623 639D 627B 627E 631D 631E 631G 637G 637D 613C 637E

PETROLEUM TRANSMISSION

TH48-E80

PETROLEUM ENGINE

3516C 3512E 3512C 3512B

SOIL COMPACTOR

825C 815

COLD PLANER

PR-1000C PR-1000 PR-450C PR-450 PM-565B

WHEEL DOZER

824C

LANDFILL COMPACTOR

816 826C

WHEEL LOADER

994 980C 966C 966R

ENGINE - MACHINE

C4.4 3408 3208

GEN SET ENGINE

3306 3304 3304B

ARTICULATED TRUCK

D550B D44B D400E D400D D35HP D400 D40D

ENGINE - INDUSTRIAL

3406B

INDUSTRIAL ENGINE

3304 3306 3412 D333C 3406 3512 3408B D330C

WHEEL SCRAPER

651E 631G 627E 621B 657E

QUARRY TRUCK

771D 771C 775D 775B 773E

TRUCK

785 789 793 775E 775D 793B 777C 777B 69D 773E 773D 769D 769C 773B

GAS ENGINE

G3512

TRACTOR

776C 776B 772B 784B 768C 768B

BULLDOZER

824S 825

Key

Key

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