Best Boat Trailer Hub Seal Options for 3500 Lb to 7000 Lb Axles
Answering the buyer intent: You want reliable hub seals to prevent grease leakage on common EZ-Lube and standard boat trailer axles. The top picks below cover 3,500 lb to 7,000 lb hubs, with double-lip designs, easy replacement, and compatibility with popular spindles. Best for DIY replacements, routine maintenance, and upgrading worn seals on Dexter, Transcom, and NOK keyed axles.
| Product | Axle Range | Seal Size | Best For |
|---|---|---|---|
| TiciKim 4Pcs Trailer Axle Hub Wheel Grease Seals | 3,500 lb hubs | ID 1.719″ x OD 2.565″ | Best for Dexter 010-019-00, EZ-Lube, #84 spindles |
| WPS Double Lip Trailer Axle Hub Seals (Pack of 4) | 3500-3750 lb hubs | 2.56″ OD, 1.68″ ID (approx) | Better for standard 3500 lb axles, EZ-Lube |
| Sanyasi 4 Pack Trailer Hub Wheel Seals | 5,200–7,000 lb EZ-Lube axles | 2.25″ ID x 3.376″ OD | Heavy-duty 5200–7000 lb spindles |
| iBroPrat 10pack ID 1.719″ x OD 2.565″ Seals | 3,500 lb spindles | ID 1.719″ x OD 2.565″ | Cost-effective multi-pack for multiple repairs |
| GREPSPUD 4pcs 22333TB Seals | 5,200–7,000 lb hubs | 2.250″ ID x 3.376″ OD | Replaces 010-036-00, 10-36 |
TiciKim 4Pcs Trailer Hub Wheel Seals
Best for 3,500 lb hubs with EZ-Lube axles and #84 spindles. These double lip grease seals are designed to replace Dexter 010-019-00, Transcom 171255TB, and similar models. The seal dimensions are ID 1.719″ and OD 2.565″, with a cotter pin length of 2.25″. Suitable for standard 5-lug hubs and EZ-Lube systems. Use when upgrading worn seals or performing maintenance on common Dexter-style assemblies. Caution: measure your old seal’s ID and OD to confirm compatibility.
SUNCARACCL 4 Pack Hub Cap Rubber Plugs
Best for older or standard 2000–3500 lb Dexter EZ-Lube hubs that use dust caps and rubber plugs. These plugs fit most 1.98 inch dust caps and resist water, dust, oil, and chemicals. They are soft and elastic for easy installation. Caution: verify the cap size (1.98 in) matches your dust caps before ordering.
WPS Double Lip Trailer Axle Hub Seals (Pack of 4)
Best for most 3500 lb and 3750 lb trailer axles with #84 spindles. Double lip design with steel construction supports reliable sealing and oil retention. The kit includes four seals, making it suitable for a complete set replacement. Limitation: confirm the spindle size matches your seal ID and OD before purchase.
Sanyasi 4 Pack Hub Wheel Seals
Best for Dexter Texcom 010-036-00 and 22333TB replacements on 5,200–7,000 lb EZ-Lube axles. The seals are 2.25″ I.D. x 3.376″ O.D. and feature a double lip design suitable for heavy-duty environments. Choose this if your trailer uses D42 spindles and higher-load ratings. Caution: ensure exact ID/OD match to avoid leaks.
iBroPrat 10Pack Hub Seals for 3500lb Axles
Best value option with ten seals and ten cotter pins for 3,500 lb spindles and EZ-Lube Dexter, Transcom, National, NOK models. The seals measure ID 1.719″ x OD 2.565″ with a 0.5″ width. Choose this if you want extra replacements on hand or manage multiple failing leaks across several hubs. Limitation: ensure you are replacing the correct seal model (010-019-00 or equivalent).
GREPSPUD 4Pcs 22333TB Seals
Best for 5,200–7,000 lb hubs with D42 spindles, replacing Dexter 010-036-00. Seals are 2.250″ ID x 3.376″ OD with a double lip and spring for robust sealing. The kit includes four seals and four cotter pins for complete installation. Caution: verify compatibility with your exact spindle model before purchase.
Buying Guide
What seal size do I need?
Measure the inner diameter (ID) and outer diameter (OD) of your existing seal. Common sizes include ID 1.719″ x OD 2.565″ for 3,500 lb spindles and ID 2.25″ x OD 3.376″ for 5,200–7,000 lb hubs. Mismatched seals can cause leakage or improper seating.
Double lip vs. single lip
Double lip seals offer better protection against dirt and water intrusion and usually handle higher pressures. They are generally preferred for EZ-Lube and heavy-duty hubs in boat trailers.
Compatibility with spindle brands
Check compatibility with Dexter, Transcom, NOK, and other spindle brands listed in product descriptions. If your axle uses a specific model like 010-019-00 or 22333TB, choose a seal explicitly labeled as replacement for that model.
Quantity and maintenance considerations
Bulk packs (like 10 seals and 10 pins) are cost-effective for frequent maintenance. If you only replace seals occasionally, a kit with four seals may suffice. Always replace cotter pins when replacing seals to ensure tight assembly.
Durability and material
Most high-quality seals use NBR rubber with steel backing. This combination provides resistance to oil and heat and supports long-term durability in trailer applications exposed to water and road debris.
Installation tips
Carefully remove old seals without damaging the spindle surface. Clean the seating area, align the seal correctly, and avoid over-tightening. Use cotter pins as required by the kit to secure assembly.
Safety and usage notes
Choose seals designed for the axle weight rating of your trailer. Using undersized seals can lead to leakage, while oversized seals may not seat properly and cause binding in the hub.
FAQ
Q: Can I reuse old cotter pins with new seals? A: It’s best practice to replace cotter pins when replacing seals to ensure proper seating and security.
Q: How do I know if I need a 1.719″ ID seal or a 2.25″ ID seal? A: Match the ID to your existing seal’s measurement; 1.719″ is common for 3,500 lb hubs, while 2.25″ fits higher-capacity hubs.
Q: Are these seals compatible with all EZ-Lube axles? A: Most are designed for EZ-Lube systems but always verify the spindle model and axle rating before purchase.
Q: What if I’m between sizes? A: Choose the closest standard size that matches the ID or OD and confirm with the hub’s service manual or a measurement.
Q: Do these kits include all needed installation hardware? A: Most kits include seals and cotter pins; some options list additional pins or caps. Check the product details to confirm.