Caterpillar

Add Equipment

Select equipment to view parts that fit your equipment.
No Suggested Results

Select Store

Register
Caterpillar

Select Store

For pricing & availability

Add Equipment

To find the parts that fit.To find the parts that fit.
Search for part number or name

Select Store

Add Equipment

HomeUpgrade & Repair KitsRepair & Service KitsDrivetrain and SteeringDrivetrain Gasket Kits139-9178: Transmission Gasket Kit - Planetary Group
HomeUpgrade & Repair KitsRepair & Service KitsDrivetrain and SteeringDrivetrain Gasket Kits139-9178: Transmission Gasket Kit - Planetary Group
139-9178: Transmission Gasket Kit - Planetary Group

Transmission Gasket Kit - Planetary Group

Brand: Cat

fallback-image
139-9178: Transmission Gasket Kit - Planetary Group

Transmission Gasket Kit - Planetary Group

Brand: Cat

Warranty Information
Return Policy
Items included

No results available.

3T-8403: 0.8mm Thick Transmission Gasket
3T-8403: 0.8mm Thick Transmission GasketQuantity: 1
9P-6798: 205.15mm Outer Diameter Seal Ring
9P-6798: 205.15mm Outer Diameter Seal RingQuantity: 2
9P-6797: 188.52mm Outer Diameter Seal Ring
9P-6797: 188.52mm Outer Diameter Seal RingQuantity: 3
8P-0058: 0.8mm Thick Transmission Cover Gasket
8P-0058: 0.8mm Thick Transmission Cover GasketQuantity: 1
3D-2824: 2.95 x 23.47mm 90A NBR O-Ring
3D-2824: 2.95 x 23.47mm 90A NBR O-RingQuantity: 2
6F-6673: Rubber O Ring Seal
6F-6673: Rubber O Ring SealQuantity: 5
5P-9186: Rubber O Ring Seal
5P-9186: Rubber O Ring SealQuantity: 2
9P-1332: Transmission Planetary Clutch Piston Seal Ring
9P-1332: Transmission Planetary Clutch Piston Seal RingQuantity: 1
9P-1331: 83.06mm Internal Diameter Ring Seal
9P-1331: 83.06mm Internal Diameter Ring SealQuantity: 1
9P-7118: 127mm Gauge Diameter Seal Ring
9P-7118: 127mm Gauge Diameter Seal RingQuantity: 2
7G-1222: 204.14mm Outer Diameter Seal Ring
7G-1222: 204.14mm Outer Diameter Seal RingQuantity: 2
7G-1221: 166.94mm Outer Diameter Seal Ring
7G-1221: 166.94mm Outer Diameter Seal RingQuantity: 1
8D-5096: Rubber O Ring Seal
8D-5096: Rubber O Ring SealQuantity: 1
3J-1907: 1.98 x 11.89mm 90A NBR O-Ring
3J-1907: 1.98 x 11.89mm 90A NBR O-RingQuantity: 4
3K-0360: 2.21 x 16.36mm 90A NBR O-Ring
3K-0360: 2.21 x 16.36mm 90A NBR O-RingQuantity: 1
5P-3114: 78.56mm Inside Diameter Seal-O-Ring
5P-3114: 78.56mm Inside Diameter Seal-O-RingQuantity: 1
Showing 1 to 16 of 16
DescriptionSpecificationsCompatible Models
Specifications for part number 139-9178

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

Compatible Models for part number 139-9178

TRACK-TYPE TRACTOR

D4H

TRACK SKIDDER

D4HTSK II

View More
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