Material quality
Premium compounds selected for pressure, temperature, and media demands in industrial hydraulics.
Wholesale · B2B
Wholesale hydraulic seals
Trade catalog for workshops, rebuilders, and distributors. Search live ID / OD / H, build a list, and request a wholesale quote — we do not take single consumer orders.
- parts in catalog
13,082
parts in catalog
- product categories
8
product categories
- quote response
24 hours
quote response
500+
Seal kits ready
50+
Countries shipped
24 hours
Quote response
40+
Years of expertise
Categories
Browse by product category
Rod, piston, and wiper seals, O-rings, and seal kits — with live technical filters for ID, OD, and height.
Capabilities
Hydraulic sealing for industrial equipment
Rod, wiper, and piston seals specified for continuous-duty applications — supported by OEM cross-references, in-stock availability, and global supply.
OEM cross-referenceIn-stock supplyCustom seal kits
Seal anatomy
K48 heavy-duty piston seal
Four components. One sealing system. See how the K48 comes together.
One unit in the groove
A four-piece double-acting heavy-duty piston seal that installs as a single set.
K48 · Assembly & components
Motion studies
Seal profiles under pressure
Short 3D films of lip contact, extrusion resistance, and dynamic sealing in hydraulic service.
K85 Static Seal
Polyurethane static sealing element with high extrusion resistance up to 500 BAR. Replaces O-Ring & Back-up Ring assemblies without twisting.
K38 Wiper Seal
Heavy-duty double-acting wiper profile preventing dirt, mud, and moisture ingress in demanding hydraulic cylinder environments.
K33 Rod Seal
Engineered with a secondary sealing lip for optimum oil-film thickness control and enhanced sealing efficiency up to 400 BAR.
K09 Compact Piston Seal
Double-acting compact polyurethane piston seal designed for high-frequency industrial automation and hydraulic actuators.
K27 Double Wiper
Polyurethane double wiper element with dual sealing and wiping lip geometry providing superior protection against external contamination.
Product catalog
Explore seal categories
Browse rod, wiper, and piston seals by series, with technical tables and live dimension filters.
Industries
Built for machines that never stop moving
Construction
Excavators, loaders, and heavy cylinders that cannot afford seal failure on site.
Agriculture
Tractor and implement seals built for dust, moisture, and long seasons.
Hydraulics
Boom, arm, and bucket applications with precise, durable sealing stacks.
ExcavatorsLoadersTractorsCylindersOEM KitsCustom SealsMobile Hydraulics
ExcavatorsLoadersTractorsCylindersOEM KitsCustom SealsMobile Hydraulics
ExcavatorsLoadersTractorsCylindersOEM KitsCustom SealsMobile Hydraulics
ExcavatorsLoadersTractorsCylindersOEM KitsCustom SealsMobile Hydraulics
Company
MasterSeal Parts
Wholesale hydraulic seals and kits for construction, agriculture, and industrial trade — inventory and application support for workshops and distributors, not single consumer orders.
Application support
Technical guidance to specify the correct seal profile for your cylinder and operating conditions.
International supply
A reliable logistics network for kits and individual seals across 50+ countries.
Wholesale quote
Request a trade list quote
Send SKUs, OEM codes, or a restock list with quantities. We quote wholesale for workshops and distributors — not single consumer orders.