Best Double Axle Pontoon Trailer Accessories for Every DIYer
Answering the question, these double-axle trailer parts are essential for protecting tires, improving stability, and simplifying maintenance on tandem-axle trailers. Best for do-it-yourselfers, boat trailers, and utility trailers that use 13″–15″ wheels. This guide highlights five top picks and explains why each is well-suited for different needs.
The following quick-reference table helps compare the featured products at a glance.
| Product | Best For | Key Benefit | Notes |
|---|---|---|---|
| ECOTRIC 2Pcs Tandem Trailer Fender | Enclosed or open tandem trailers with 13″–15″ tires | Teardrop center design adds tire protection and debris shielding | Typically welded or hardware-mounted; hardware not included |
| iBroPrat 2 Sets 3500 LB Trailer Axle Bearing Kits | Any tandem axle trailer in need of bearing kit refresh | Comprehensive kit with caps, nuts, seals, and washers | Includes extra components for multi-repairs |
| RV MURTS Trailer Axle Kit 3500 lbs | Replacement axle kit for 3,500 lb trailers | Solid hub face and leaf spring components for support | Includes U-bolts, hangers, and shackles |
| Tandem Aluminum Double Axle Fenders (Fenders Inc) | Aluminum fenders for durable, corrosion-resistant setup | Heavy-duty aluminum tread plate with weldable surfaces | Designed for 72″ length; suits enclosed cargo trailers |
| 2Pcs Tandem Trailer Fenders Double Axle (EliteEdge) | 13″–15″ tire trailers needing durable weldable fenders | Heavy-gauge steel with weldable sides | 66″ L x 9.1″ W x 20″ H; pre-drilled for easy install |
ECOTRIC Tandem Trailer Fender
Best for enclosed or open tandem trailers that run 13″–15″ tires. The round, teardrop center design adds tire protection and shields wheels from debris. Ideal for buyers who want a weldable fender with straightforward installation. Caution: hardware for mounting is not included, so plan for compatible mounting brackets or welding.
iBroPrat 2 Sets 3500 LB Bearing Kits
Best for trailers needing a full bearing kit refresh on a 1-1/16″ to 1-3/8″ axle with #84 spindles. This luxury kit provides two complete sets with bearings, races, seals, dust caps, cotter pins, washers, and more. Choose this if you want ready-to-install components and spare parts. Caution: compatibility is focused on #84 spindles; verify your spindle size before purchase.
RV MURTS Trailer Axle Kit 3500 lbs
Best for replacing a complete trailer axle on 3,500 lb cargo trailers. Includes hub, leaf spring kit, U-bolts, hanger, and shackle, offering robust wheel support and shock absorption. Use this when a full axle replacement is needed. Caution: confirm hubface and spring-center measurements match your trailer layout before ordering.
Tandem Aluminum Double Axle Fenders (Fenders Inc)
Best for customers seeking corrosion resistance and long-term durability. These 72″ long aluminum treads are welded-friendly and designed for side mounting on enclosed cargo trailers. They provide a strong, rust-resistant option with a premium look. Caution: aluminum fenders are lighter than steel and may require careful handling during installation.
2Pcs Tandem Trailer Fenders Double Axle (EliteEdge)
Best for 13″–15″ tire trailers needing heavy-duty, weldable double axle fenders. Features 66″ L x 9.1″ W x 20″ H dimensions and pre-drilled holes for straightforward installation. Choose this if you want a ready-to-install option with robust steel construction. Caution: ensure mounting hardware compatibility and pre-fit before cutting or welding.
Buying Guide: Key Purchase Considerations
What material should I choose? Steel fenders are strong and affordable; aluminum fenders resist corrosion and reduce weight but may cost more. Consider your trailer environment and handling needs.
What size do I need? Confirm tire size (13″–15″ in these options) and overall fender length to ensure full tire coverage and clearance from components.
Weldable surfaces and mounting: If you lack hardware, look for options advertised as weldable with pre-drilled mounting holes. Confirm compatibility with your trailer frame and brackets.
Kit vs. single parts: Bearing kits or axle kits help with maintenance and replacements. For a full trailer refresh, a complete axle kit or multiple bearing sets may be beneficial.
Corrosion resistance: On marine or boat trailers, corrosion resistance is critical. Aluminum or galvanization offers more protection against salt and moisture than plain steel.
FAQ
Are these fenders suitable for pontoon trailers?
They are designed for tandem-axle trailers with 13″–15″ tires and can fit many pontoon and utility trailers equipped with double axles, provided mounting and tire coverage considerations match.
Do these products include mounting hardware?
Most listings specify that mounting hardware is not included, so prepare compatible brackets or weld-on options where needed.
Can I install these fenders myself?
Yes, especially the weldable models. Ensure proper safety, use appropriate tools, and follow mounting guidelines for your trailer frame.
What maintenance is required for bearing kits?
Regular inspection and lubrication are advised. Replace seals, wear components, and keep grease clean to prevent moisture intrusion.
How do I verify compatibility with my axle?
Check axle type (e.g., 3500 lb #84 spindle or similar), hubface, and spring center measurements. Compare with product specifications to avoid mismatches.
Is aluminum preferred for marine trailers?
Aluminum provides corrosion resistance, lighter weight, and often longer service life in saltwater environments, though it may be pricier than steel.