REV HD RM-S01 | Rev Max Steer Axle Wheel Seal – 12K Axle

REV HD RM-S01 Rev Max Steer Axle Wheel Seal – 12,000 lb Axle

The REV HD RM-S01 Rev Max Steer Axle Wheel Seal is a premium severe-duty front wheel seal engineered for heavy-duty commercial trucks with compatible 12,000 lb steer axle applications. Designed to help prevent wheel-end lubricant leaks and protect critical wheel bearings from dirt, water, and road contaminants, the RM-S01 delivers dependable sealing performance for demanding over-the-road and vocational truck operations.

Featuring REV HD's innovative Flex Seal technology, increased sealing contact areas, and heavy-duty construction, the RM-S01 offers a premium replacement option for compatible SKF, Stemco, National, and other commercial truck wheel seal applications.

REV HD RM-S01 Features & Benefits

• Premium Rev Max Series: Severe-duty wheel seal designed for demanding commercial truck applications.
• 12,000 lb Steer Axle Applications: Engineered for compatible front steer axle wheel ends.
• Flex Seal Technology: Unique flexible design helps prevent cocked seals during hub installation.
• Enhanced Sealing Contact: Wider inner and outer contact areas help improve sealing coverage.
• Multiple Internal Sealing Points: Designed to help retain lubricant and reduce contaminant entry.
• Oil & Grease Compatibility: Suitable for compatible oil-lubricated and grease-lubricated wheel hubs.
• Severe-Duty Construction: Designed for demanding highway, vocational, and off-road environments.
• Protective Top Plate: Helps protect the seal from installation impacts and brake heat.
• Convenient Installation: Designed for installation using a suitable flat installation surface without requiring a proprietary seal driver.
• Seal Extend: Includes REV HD's seal treatment product to help improve sealing at mating surfaces when applied according to instructions.
• 3-Year Manufacturer Warranty: Subject to REV HD warranty terms and applicable requirements.

Heavy-Duty Front Wheel Seal for Semi Trucks

Steer axle wheel seals play a critical role in protecting wheel bearings and maintaining proper wheel-end lubrication. A worn or damaged front axle wheel seal can allow oil or grease to escape while exposing bearings and other components to damaging contaminants.

The REV HD RM-S01 front steer axle seal is designed to help maintain lubricant retention and protect wheel-end components in compatible heavy-duty diesel trucks.

It is an excellent replacement option for qualifying commercial truck applications operating under demanding conditions, including:

• Over-the-road semi trucks
• Class 8 commercial trucks
• Regional delivery trucks
• Vocational trucks
• Dump trucks
• Construction and severe-duty applications
• Commercial fleet vehicles

REV HD Flex Seal Technology

Improper seal alignment during installation is a common cause of premature wheel seal failure. REV HD developed its unique Flex Seal design to help reduce the risk of seal cocking as the wheel hub is installed onto the spindle.

The flexible sealing design allows movement at the seal's inner diameter during hub installation, helping maintain alignment and support consistent sealing performance.

Combined with increased sealing contact areas and additional internal sealing points, this design helps protect the wheel end from lubricant loss and contamination.

Oil & Grease Wheel Hub Compatibility

The REV HD RM-S01 is designed for use with compatible oil-bath and grease-lubricated wheel hubs. This versatility makes it a practical wheel-end replacement component for many heavy-duty commercial truck maintenance applications.

Always confirm the axle spindle dimensions, hub bore, and original wheel seal specifications before ordering.

REV HD RM-S01 Wheel Seal Cross References

The REV HD RM-S01 is commonly cross-referenced with the following heavy-duty steer axle wheel seal part numbers:

• SKF / Chicago Rawhide: 35058, 35059, 35066
• Stemco: 383-0236, 383-0136, 382-8036, 308-0836
• National: 380001A, 370001A
• ConMet: 10045885
• Meritor: MER0236
• REV HD: R1-S01 (alternative series; confirm application)

Fitment Note: Cross-reference numbers are provided to assist with parts identification. Verify actual dimensions and wheel-end compatibility before installation. Some cross-referenced products may differ in design or performance characteristics.

Signs of a Failing Steer Axle Wheel Seal

A leaking or damaged steer axle wheel seal can lead to lubricant loss, wheel bearing damage, and contamination of nearby brake components.

Common warning signs include:

• Oil or grease leaking around the front wheel hub
• Lubricant accumulation on the inside of the wheel
• Oil or grease contamination near brake components
• Low wheel hub lubricant level
• Visible wheel seal damage
• Wheel bearing wear associated with lubrication loss or contamination

If wheel-end leakage is detected, inspect the seal, hub bore, spindle sealing surfaces, wheel bearings, and associated components before completing the repair.

REV HD RM-S01 Product Specifications

• Brand: REV HD
• Product Series: Rev Max
• Manufacturer Part Number: RM-S01
• Product Type: Steer Axle Wheel Seal
• Axle Position: Front Steer
• Axle Application: Compatible 12,000 lb Steer Axles
• Seal Inner Diameter: 3.500 Inches
• Seal Outer Diameter: 4.840 Inches
• Hub Lubrication: Oil or Grease
• Design: Severe-Duty Flex Seal
• Manufacturer Warranty: 3 Years, Subject to Warranty Terms
• UPC: 603016607104
• Quantity: 1 Wheel Seal

Steer Axle Wheel Seal Fitment & Installation

The REV HD RM-S01 is designed for specific heavy-duty steer axle wheel-end configurations. Compatibility must be confirmed using the original seal part number and the actual spindle and hub bore dimensions.

A 12,000 lb steer axle rating does not guarantee that this seal will fit every 12,000 lb axle.

Before installation, inspect all sealing surfaces for damage, corrosion, scoring, and excessive wear. Follow REV HD installation instructions and the vehicle or axle manufacturer's wheel-end service procedures.

Important: Wheel-end seals are critical components of commercial truck bearing and lubrication systems. Professional installation is recommended. Always inspect the wheel-end assembly for underlying causes of seal failure and verify proper lubricant levels before returning the vehicle to service.