B-4725-23K GBK Brake Shoe Kit, 16.5″ x 6″, 23K, Eaton ES
Heavy-duty 23K GAWR brake shoe kit, 16.5″ x 6″ Eaton ES (Extended Service). Direct replacement for FMSI 4725 / 4725ES / 4725ES2. Cross-references Meritor R700025 / XK2124725E, Haldex GG4725ESR / GR4725ES2R, Fortpro F225044. Complete hardware kit included.
In Stock: 46
Cross-Reference — This Part Replaces
GBK B-4725-23K is a direct replacement for the following OEM and aftermarket part numbers:
| Brand | Part Number |
|---|---|
| Aftermarket Ref. | 4725 |
| Aftermarket Ref. | R700025 |
| Aftermarket Ref. | 4725ES |
| Aftermarket Ref. | 4725ES2 |
| Aftermarket Ref. | F225044 |
| Aftermarket Ref. | GG4725ESR |
| Aftermarket Ref. | GR4725ES2R |
| Aftermarket Ref. | XK2124725E |
Product Specifications
| Brake Size | 16.5" x 6" |
|---|---|
| GAWR Rating | 23,000 lbs |
| Net Weight | 33.73 lbs |
- Heavy-Duty Performance: Premium new (not remanufactured) brake shoe kit rated for 23,000 lbs GAWR axles. Provides reliable, fade-resistant stopping power for heavy-haul semi-trucks and trailers.
- Direct OEM Replacement: Cross-references major OEM part numbers including 4725, R700025. Guaranteed fit and drop-in installation with no modifications required.
- Complete Hardware Kit: Includes all necessary springs, rollers, and retaining pins for a full installation. Everything you need is in the box.
- Engineered for Durability: Manufactured to meet or exceed FMVSS-121 testing standards. High-friction lining material delivers consistent performance and extended service life.
- Professional Grade: Trusted by fleet operators and owner-operators for quiet, consistent braking. Reduces brake drum wear and minimizes maintenance intervals.
Packaging & Delivery
Every GBK Parts order is packed with care. Pallet orders are tightly shrink-wrapped and strapped for safe freight transit. Select products also come in individual branded GBK USA retail boxes — ready for resale or direct customer delivery.
About GBK Parts
GBK Parts is a U.S.-based wholesale and retail distributor of heavy-duty commercial truck parts, headquartered in New Jersey. We specialize in brake components, axle parts, and drivetrain hardware for Class 6–8 trucks, trailers, and commercial vehicles.
We source directly from certified OEM-grade manufacturers and maintain a large inventory in our New Jersey warehouse, enabling fast fulfillment for both retail and wholesale customers across the United States.
Why Choose GBK Parts?
- Direct Wholesale Pricing — Competitive pricing with volume discounts for approved B2B accounts.
- OEM-Grade Quality — All parts meet or exceed OEM specifications. Brake components are FMSI-coded and tested to FMVSS standards.
- Fast Shipping — Same-day or next-day shipping on in-stock items. Free UPS Ground shipping on orders over $5,000 to NJ, NY, PA, OH, and MN.
- Catalog-Based Production — Extensive product catalog covering a wide range of heavy-duty truck and trailer parts, available to order.
- NET 15 Terms — Approved wholesale accounts are eligible for NET 15 payment terms.