5P-9121 Duo-Cone Floating Seal for Caterpillar D3B D3C D4B D5C III Track-Type Tractor

Restore dependable sealing performance with the WINSCHEN 5P-9121 Duo-Cone Floating Seal. This premium aftermarket replacement is supplied for verified Caterpillar applications.

Key Features

Direct Replacement: Referenced to Caterpillar part number 5P-9121 for compatible sealing applications.
Reliable Sealing: Selected aftermarket sealing components help maintain dependable protection in demanding operating conditions.
Maintenance Value: A practical replacement solution that supports scheduled maintenance and helps reduce equipment downtime.

Compatible Equipment Models

Track-Type Tractor: D3B D3C D4B D5C III D3 D3C II

Wheel Tractor: 623H

Integrated Toolcarrier: IT14G IT14G2

Wheel Tractor-Scraper: 623 613G 623K LRC 623K

Wheel Scraper: 623G 623F 633B 623B 623E 633 633D 639D 615C

Track Loader: 931B 935B

Logger: 227

Excavator: 229 225 215B 225B 225D 219 215

Cold Planer: PM312 PM313 PM310

Forest Products: FB221

Compact Wheel Loader: 910G 914G 914G2

Specifications

Part Number	5P-9121 (5P9121)
Part Type	Duo-Cone Floating Seal
Equipment Brand	Caterpillar
Metric Dimensions	146.05 x 126.6 x 147.98 x 149.22 mm
Seal Ring Material	Stellite
Load Ring Material	Nitrile
Seal Grade	C
Bevel Angle	15
Brand	WINSCHEN
Country of Origin	China
SKU	CTC-5P-9121
MOQ	1 SET
Delivery Time	1-3 business days

Need to verify fitment for your specific Caterpillar machine? Contact our technical support team for expert assistance. We offer fast global shipping to keep your equipment operational.

Related Caterpillar Seal Categories

Browse more Caterpillar replacement parts or compare other floating seals. For fitment confirmation, send the OEM part number and machine model through our inquiry form or WhatsApp.