Liberty Tires

Rear and trailer Drums(Rear side)

$97.50 /ea
In stock — ships today
Volume Pricing Save up to 10%
Qty Price / Item Total
1 – 3 $97.50
4 – 9 $92.95/ea Save 5%
10+ $87.5/ea Save 10%
Select Quantity
1 Single
2 Pair
4 Set of 4
? Custom
1 item → Total: $97.50
🚚
Free Delivery Within 35 miles
💲
Best Price Guaranteed
📦
In Stock Ready to ship
Ships today — order before 2 PM CST
Manufacturer ConMet / Aftermarket Equivalent
OEM / Cross-Reference 3922 · 10020073
Compatible Makes Freightliner, Peterbilt, Kenworth, Mack, Volvo, International, Western Star
Compatible Models Class 8 trucks and trailers with Meritor Q-Plus rear brakes
Year Range Universal (check axle spec)
Material Gray Cast Iron
Weight 118.0 lbs
Warranty 12 months / 100,000 miles
Country of Origin China
SKU 3922.0

Additional Specifications

Application: Rear drive and trailer axles

Brake Type: Drum Brake, Q-Plus / Q-Series

Drum Diameter: 16.5 in

Brake Face Width: 8-5/8 in

Bolt Pattern: 10 × 11.25 in (285.75mm PCD), hub-piloted

Stud Size: M22 × 1.5

Fits: Meritor RT-40, RT-46, RT-48 drive axles; standard trailer axles

Cross Reference: ConMet 10020073, Webb 66854, Gunite 3922

  • Rear and Trailer Brake Drum - 16
  • 5" x 7" Brake drum for drive axles (rear) and trailer axles on Class 8 trucks and semi-trailers
  • Grade G3000 iron, 10-bolt pattern
  • Verify pilot bore for your axle
  • 5" x 7" Bolt Pattern 10-bolt on 11
  • 25" circle Pilot Bore 8
  • 78" (drive) or 9
  • 00" (some trailers) Material SAE J431 Grade G3000 Grey Cast Iron Weight 105-117 lbs Cross-Refs TRP DB1657B / DB66895B Fits rear drive axles and trailer axles Grade G3000 iron for heat dissipation Always verify pilot bore for your axle SAE J431 Balanced Drive/Trailer Call for pricing: (224) 642-8165 - Volume discounts available
  • Need help choosing the right product? Our experts are here to help

Delivery Information

We offer fast, reliable delivery from our location at 450 Miles Pkwy, Bartlett, IL 60103. Most in-stock orders placed before 2:00 PM CST are available for same-day pickup or next-day delivery.

  • FREE delivery within 35 miles from our shop — always included
  • Orders $1,800+ — FREE delivery within 120-mile radius
  • Delivery beyond 120 miles — contact us for a quote
  • In-store pickup always available at no charge
  • Bulk orders — custom delivery arrangements available

Return Policy

We stand behind every product we sell. If you are not satisfied with your purchase, you may return unused items in original packaging within 30 days of delivery for a full refund.

  • Items must be unused and in original condition
  • Return shipping costs are the responsibility of the buyer
  • Defective items are covered under the manufacturer warranty
  • Contact our support team at 224-642-8165 to initiate a return

Warranty

All products include the standard manufacturer workmanship and materials warranty. Contact us for full warranty details.

No reviews yet for this product

Bought this product? Share your experience — it helps other buyers make the right call.

Liberty Tires Rear — Rear and trailer Drums(Rear side)

Rear and Trailer Brake Drum - 16.5" x 7" Brake drum for drive axles (rear) and trailer axles on Class 8 trucks and semi-trailers. Grade G3000 iron, 10-bolt pattern. Verify pilot bore for your axle. Size 16.5" x 7" Bolt Pattern 10-bolt on 11.25" circle Pilot Bore 8.78" (drive) or 9.00" (some trailers) Material SAE J431 Grade G3000 Grey Cast...

Why Buy From Liberty Tires?

Liberty Tires is a Bartlett, IL-based retailer offering commercial truck tires, parts, flatbed equipment, and on-site repair services. Free delivery within 35 miles, and free 120-mile delivery on orders $1,800+.

Need help finding the right part? Call our experts at 224-642-8165 or browse our full catalog.

$97.50/ea · 1 selected
liberty score

Compare tires at a glance using our Liberty Score system. Our algorithm combines real-world performance data, customer feedback, industry testing, and durability metrics to give you one clear number.

Four factors behind every score

Customer Reviews

Aggregated ratings from verified buyers and fleet operators who've put these tires to the test on real routes.

Treadwear

Expected mileage life based on UTQG ratings, tread compound, and real-world wear data from commercial fleets.

Traction

Grip performance in wet and dry conditions, braking distance, and lateral stability rated by industry testing standards.

Durability

Resistance to road hazards, sidewall strength, load capacity performance, and retreadability potential.

Score scale

1 - 3
Poor
4 - 5
Fair
6 - 7
Good
7.5 - 8.5
Great
8.5 - 10
Excellent