At a Glance
- SKU: BYOAK-84-H5475-SQ
PRODUCT INFORMATION
Product Details
Build-Your-Own Trailer Axle Kit · 3,500 lb (1,750 lb per wheel)
Spindle Kit Part Number: SP20484
5 on 4.75" Bolt Pattern (GM / Chevy)
This listing is for a build-your-own trailer axle kit, designed for fabricators or repairs where a complete axle tube is not supplied. The kit includes everything required except the axle tube.
The included spindles feature a 4" long, 1.5" square weld-on tail shaft, making them easy to weld into common 2" square tubing with 1/4" wall thickness.
Rated at 1,750 lb per wheel — 3,500 lb axle capacity
Bolt Pattern Reference
This kit uses a 5 on 4.75" bolt pattern (commonly referred to as 4-1/2" stud spacing).
Bearing & Seal Specifications
- Outer Bearing: L44649 (1.0625" ID)
- Inner Bearing: L68149 (1-3/8" ID)
- Grease Seal: 10-19 (1.75" ID)
What’s Included
- (2) Idler hubs — 5 on 4.75" bolt pattern (3,500 lb rated)
- (2) Weld-on spindles — SP20484 (square base)
- (2) Inner bearings — L68149
- (2) Outer bearings — L44649
- (2) Grease seals — 10-19
- (2) 1.98" dust caps
- (10) Lug nuts
- (2) Axle nuts (1")
- (2) Spindle washers (1")
Important Notes
- This kit does not include the axle tube
- Designed to weld into 2" square tubing with 1/4" wall
- Idler hubs only — no brakes
- Other bolt patterns are available separately
This kit is ideal for building a custom axle or replacing damaged spindle ends where retaining the original axle tube is not required.
Related Parts & Kits
Check fitment, measurements, and kit contents before ordering. Related parts may not be required for your repair.
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815-357-3292 · 270 E Jackson St · Seneca, IL 61360
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TRAILER PARTSGOOGLE
Ordered trailer repair parts repeatedly; praised fast service, careful packing, and accurate orders.
RV KEYSGOOGLE
Found the correct RV keys at a good price with free shipping; the keys worked as expected.
AXLE & LEAF SPRINGSGOOGLE
Needed an unusual axle and leaf-spring size; the team listened and helped him sort out the fit.
PARTS & SHIPPINGGOOGLE
Praised the OEM and aftermarket selection, discounts, quick shipping, and friendly parts staff.
CUSTOM AXLEGOOGLE
Got the axle he needed right away, set up with a custom spring perch.
WELDINGGOOGLE
Praised the polite staff and quality welding on a project.
GAS STRUTGOOGLE
Replacement struts brought a long-used door back to working order.
CUSTOM TRAILERGOOGLE
Had a trailer built to his needs at a fair price, then found parts for two other trailers in stock.
CUSTOMER SERVICEGOOGLE
Praised the customer service after working with R&P over several years.
GAS SHOCKGOOGLE
Found the gas shock he wanted at a good price with shipping included.
CARGO TIE-DOWNGOOGLE
Received swivel D-rings with backing plates and praised the price, correct order, and service.
PARTS DELIVERYGOOGLE
The right parts arrived the first time, with fast delivery and helpful staff.
PROJECT HELPYELLOW PAGES
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SHIPPINGYELLOW PAGES
Reported helpful service and fast shipment to Germany.
SUSPENSION KITYELLOW PAGES
Praised a suspension kit, fair pricing, and good parts.
TRAILER CORDYELLOW PAGES
Was pleased with a replacement trailer cord.
SERVICE & PARTSYELLOW PAGES
Noted dependable service and products across repeat visits.
AXLE INSTALLATIONYELLOW PAGES
Said the axle installation fit perfectly and thanked Josh and the crew.
HITCH REPLACEMENTYELLOW PAGES
Praised the crew’s professionalism during a difficult hitch replacement.
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Received the item as described with very fast shipping and plans to return.
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REPEAT CUSTOMERYELLOW PAGES
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INSTALLED PARTYELLOW PAGES
Reported that the newly installed parts were working perfectly.
REPEAT CUSTOMERYELLOW PAGES
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COMMUNICATION & SHIPPINGYELLOW PAGES
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TEAMYELLOW PAGES
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FIT & SHIPPINGYELLOW PAGES
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DELIVERYYELLOW PAGES
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CUSTOM TRAILERYELLOW PAGES
Described a no-hassle, professional custom-trailer purchase.
TRAILER PURCHASEYELLOW PAGES
Praised a new trailer, custom additions, helpful staff, and clear pricing.
HUB COVERSYELLOW PAGES
Found the right hub covers quickly and got helpful maintenance advice.
AXLE HELPYELLOW PAGES
Said R&P helped their company get back on the road after an axle problem.
DUMP TRAILERYELLOW PAGES
Was happy with a dump-trailer purchase after comparing options.
BRAKES, DRUMS & SEALSYELLOW PAGES
Received clear help choosing brake assemblies and bearing seals, followed by fast shipping.
DUMP TRAILERYELLOW PAGES
Found a good deal on a 16-foot dump trailer and planned to return.
FRIENDLY SERVICEYELLOW PAGES
Thanked the staff for their patience and recommended the shop.
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