A1354 Mackay 1715S Dunbier Two-Part LM Marine Grease Seal. Pair | Marine Trailer Part

🔧 Product Description

Genuine Mackay Marine Trailer Products LM Two-Part Marine Grease-Seal Pair - Part Number: A1354

A replacement two-part marine wheel-hub grease seal for standard LM-bearing hubs on 39mm round and 40mm square axles. The separate rotating and stationary sections create a water-resistant sealing interface while allowing the hub to turn.

⚙️ Key Features

• Two-part marine seal construction
• Designed for repeated boat-ramp immersion
• Helps retain grease and limit water entry
• Replacement for hardened, cut or worn original seals
• Supplied quantity: 2

📏 Specifications

• Seal type/dimensions: LM marine hub profile
• Application: standard LM-bearing hubs on 39mm round and 40mm square axles
• Axle sealing diameter and hub-bore diameter must match the removed seal
• Install with clean lubricated sealing faces

📋 Supplied Components

• 2 × Complete two-part marine seals

🔄 Cross Reference & Related Parts

• Dunbier cross reference: 1715S
• Complete LM bearing kit: Mackay A1350 / Dunbier 1688S

🚤 Compatibility & Application

• Inspect the axle seal land for grooves, corrosion and burrs
• Replace seals whenever the hub is removed for bearing service
• Do not mix incompatible inner and outer seal halves
• Fill the hub with compatible marine grease without over-pressurising

🔌 Function

Retains bearing grease and forms a rotating water barrier between the hub and axle seal surface.

⚠️ Common Signs of Failure

• Grease leaks from the rear of the hub
• Water or milky grease enters the bearing cavity
• Seal lip is cut, hardened or distorted
• Seal land is grooved or corroded
• Seal spins loose in the hub bore

📦 Condition

• Genuine Mackay Marine Trailer Products part
• Brand new
• Supplied in original or equivalent packaging