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Premium Replacement Spindle for Dexter 12K Axle D120 – Heavy-Duty High Carbon Steel – Fits 12,000 lb Dexter/Alko/Rockwell Heavy Duty Axles – Ultra-Strong, Reliable, Easy Install – Spindle Only
✅ In stock
F
Grade
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Oct 31, 2026 2:29 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Trailer App
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Fits for Dexter/Alko/Rockwell 12K Heavy Duty Axles Only: This trailer axle spindle is specially made to fit Dexter/Alko/Rockwell 12,000 lb Heavy Duty axles. It’s not compatible with other axle types or manufacturers, so you can count on a secure and accurate fit every time without worrying about mismatches.
✓Easy Replacement Using Existing Parts: No need to hunt for new components—this spindle works perfectly with your current Dexter/Alko/Rockwell bearings, seals, and hardware. It’s a direct OEM-style replacement that saves you time and makes installation smooth and simple.
✓Built from Heavy-Duty High Carbon Steel for Maximum Strength: Made with high carbon steel, this spindle is tough enough to handle heavy loads and rough road conditions. It’s built to last, resist wear, and keep your trailer performing reliably for miles to come.
✓Spindle Only – Bearings and Seals Sold Separately: This listing includes one replacement trailer spindle only. It does not come with bearings, seals, or other installation hardware. You can reuse your current parts if they’re still in good shape or order new ones as needed.
✓Restore Performance and Extend the Life of Your Trailer: Whether you're doing routine maintenance or replacing a worn-out part, this spindle is a great choice to restore your trailer’s safety, handling, and overall performance. It's a strong, smart upgrade that keeps you rolling without worry. No need to for a full axle replacement.
✓Installation Instructions: 1. Cut spindle 1" from center of existing spindle weld towards brake flange. (Clean straight cut required) 2. Insert New Spindle into axle pipe ensuring proper alignment. 3. Completely Weld Spindle to axle pipe around pipe. (Certified Welder required)
✓Fitment Components(Not Included): 10-56 Seal - 3.125" ID, 3984 Inner Bearing - 2.625" ID, 28682 Outer Bearing - 2.25" ID, 6-084 Spindle Nut - 1.75" ID
⚙️ Specifications
Brand
TrailerApp
Material
High Carbon Steel
Item dimensions L x W x H
12.75 x 4 x 4 inches
Item Weight
19.8 pounds
Bearing Number
3984, 28682
Brand Name
TrailerApp
Bearing Type
Ball Bearing
UPC
860012512928
Number of Packs
1
Number of Items
1
Part Number
TAD12K
