Description
The 5-5″ Bolt Circle 3,500 lbs. TruRyde® Pre-Greased Trailer Axle Electric Brake Kit (Part PGBK550ELE-TRP) is a complete, ready-to-install electric brake kit with pre-greased hubs for fast and hassle-free setup. Designed specifically for 3,500 lb. axles with a 5 on 5″ bolt circle, this kit delivers strong, reliable braking performance right out of the box.
Pair of 10″ TruRyde® Pre-Greased hub/drum 5 studs 5″ bolt circle using L68149 inner and L44649 outer bearing. Bearings and seals come installed & pre-greased. Contains grease caps, ultra lube grease caps, spindle washers, spindle nuts, cotter pins, tang washers, and lug nuts. (84 Spindle). Pair of 10″ x 2.25″ TruRyde® electric trailer brake assemblies with parts. 4 Hole Mounting. For Alko, Dexter, Quality, Lippert, Rockwell or other popular trailer axle manufacturers. Only works on 3,500 lbs. trailer axles with four-hole brake flange. Includes mounting hardware. These are fully assembled backing plates with shoes, springs, and magnets attached and ready to be mounted. The pair includes one left hand and one right hand brake assembly.
Key Features
- Part Number: PGBK550ELE-TRP
- Brand: TruRyde®
- Axle Capacity: 3,500 lbs.
- Bolt Circle: 5 on 5″
- Studs: 5 x 1/2″-20
- Brake Size: 10″ x 2.25″ Electric
- Hub/Drum: 10″ Pre-Greased
- Bearings: L68149 Inner / L44649 Outer (84 Spindle)
- Mounting: 4-Hole Brake Flange
- Kit Contents: Pair of electric brake assemblies, pre-greased hub/drums, bearings, seals, grease caps, hardware & lug nuts
- Compatibility: Alko, Dexter, Quality, Lippert, Rockwell & others
Perfect for utility trailers, cargo trailers, boat trailers, and other single or tandem axle applications requiring dependable electric brakes with the convenience of pre-greased hubs.
Questions about this TruRyde electric brake kit or compatibility? Call our trailer experts at 1-800-866-3336.
Browse more Electric Trailer Brake Kits.
| Part No | Quantity | |
| PP-RVDK-4PG | 2 | TruRyde® Pre-Greased 5-5″ 10″ Hub and Drum |
| BK-10E-01 | 1 | TruRyde® 10″x2.25″ Left Hand Electric Brake |
| BK-10E-02 | 1 | TruRyde® 10″x2.25″ Right Hand Electric Brake |
| 716LW | 8 | 7/16″ Lock Washer |
| 716NFN | 8 | 7/16″ Fine Hex Nut |
| DC-198 | 2 | 1.98″ Dust Cap |
| FS622P | 2 | 1.98″ Lube Dust Cap with Rubber Plug |
| TW100 | 2 | 1″ Tang Washer |
| A1W | 2 | 1″ Spindle Washer |
| FA-SN100 | 2 | 1″-14 Spindle Nut |
| 18X134CP | 2 | Cotter Pin |
| L68149 | 2 | TruRyde® Inner Bearing |
| L44649 | 2 | TruRyde® Outer Bearing |
| GS-1719DL | 2 | 1.719″ ID Double Lip Grease Seal |
| X1023R | 10 | 1/2″-20 Lug Nut 60 Degree 13/16″ WAF |
QAI Certification Testing Standards for Trailer Brakes
QAI Laboratories is an independent, accredited third-party testing and certification organization. QAI certification provides assurance that trailer brakes have been rigorously tested to meet recognized safety and performance standards.
Primary Standards for Trailer Brakes
- CAN3-D313-M85 (R2012) — Canadian standard for Trailer Running Gear (axles, brakes, and suspension)
- CSA Z240 — Recreational Vehicles and Manufactured Housing standard
- FMVSS / CMVSS — Federal Motor Vehicle Safety Standards (U.S. and Canada) for braking performance
- UL Electrical Standards — Testing of brake magnets, wiring, and electrical components
What QAI Tests
- Braking performance and stopping power
- Electrical current draw and magnet strength
- Resistance to water, dust, heat, and corrosion
- Mechanical durability and long-term wear
- Self-adjusting mechanism performance (when applicable)
- Safety labeling and traceability
Trailer brakes that carry the QAI Certified mark (including many TruRyde® and Lippert® models) have been independently verified to meet these strict standards, giving you confidence in safety and reliability.
QAI Certified Trailer Brake Brands (Industry-Wide)
QAI Laboratories is a respected independent testing and certification organization. Below is the current status of major trailer brake brands regarding QAI certification:
| Brand | QAI Certified | Notes |
|---|---|---|
| TruRyde® | Yes | Most models are QAI Certified — Southwest Wheel’s primary brake line |
| Lippert® | Yes | Many electric and hydraulic brake assemblies are QAI Certified |
| UFP | Yes | Especially strong on hydraulic disc brake systems |
| Kodiak | Yes (Select Models) | Many disc brake kits carry QAI certification |
| Dexter® | Limited / Not Commonly Advertised | Focuses on internal testing and FMVSS compliance |
| Generic / Chinese Brands | Very Rarely | Most low-cost imported brakes sold on marketplaces do not carry QAI certification |
Note: QAI certification is a strong indicator of independent safety and performance testing. Always verify current certification status on specific part numbers when safety is critical.
