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SHACMAN X3000 Trailer Coil Hose Assembly DZ16254130871
Serving as the connecting conduit between a tractor unit and its trailer, this component features a coiled, spring-like design that offers exceptional extensibility and fatigue resistance. As the truck navigates turns, encounters bumps, or undergoes vigorous movement, the coiled tube can freely stretch and retract, preventing it from snapping due to excessive tension or developing sharp, permanent kinks.
Trailer air-brake coiled hoses are typically color-coded: red for the emergency/supply line and blue for the control/service (braking) line. Some Delong-series vehicle models are also equipped with black, multi-core electrical coiled cables (featuring a seven-pin plug). When purchasing, please verify with your auto parts supplier the specific color or function (i.e., whether it is an air hose or an electrical cable) associated with the part number.
Core Trailer Air Brake System Components (Recommended to check/replace in pairs)
| No. | Part Number / Spec | Part Name | Qty | Key Technical Parameters & Maintenance Notes |
|---|---|---|---|---|
| 1.1 | DZ16254130871 | Trailer Air Brake Coil (Supply) | 1 | Red, PA12 material, M16×1.5 / M22×1.5 fittings. Responsible for supplying air to the trailer air tank. |
| 1.2 | DZ16254130872 (Reference) | Trailer Air Brake Coil (Control) | 1 | Blue, PA12 material. Responsible for transmitting brake signals. (Simultaneous replacement with the red coil is recommended to ensure even wear). |
| 1.3 | DZ15221350121 / 0122 | Trailer Gladhand Valve Assembly | 2 | Includes Red and Blue gladhands connecting the tractor and trailer air lines. Internal rubber seals age easily and cause slow leaks; highly recommended to replace concurrently. |
| 1.4 | 16mm / 22mm Specs | Brass/Stainless Steel Push-to-Connect Fittings | 2 | Metal connectors at both ends of the air coils, equipped with anti-kink protection springs. |
| 1.5 | Standard Spec | Gladhand Dust Caps | 2 | Protects the gladhand valves from mud, dust, and rainwater when bobtailing (driving without a trailer) to prevent air line clogs. |
Electrical Connection System Components (Simultaneous Maintenance Items)
| No. | Part Number / Spec | Part Name | Qty | Key Technical Parameters & Maintenance Notes |
|---|---|---|---|---|
| 2.1 | DZ16254130875 (Reference) | Trailer Electrical Suzie Cable Assembly | 1 | Black multi-core cable. Responsible for transmitting power to trailer taillights, turn signals, and brake lights. |
| 2.2 | 7-Pin / 15-Pin Standard | Trailer Electrical Plug/Socket Set | 1 set | Core interface for the electrical suzie cable. Requires IP67 waterproof and corrosion-resistant ratings. |
| 2.3 | WG9100760100 (ABS System) | ABS/EBS Signal Spiral Cable | 1 | Mandatory for mid-to-high-end configurations (e.g., trailers equipped with EBS). Specialized 7-pin signal cable; damage to this will trigger the trailer ABS fault light. |
DETAILS
| DESCRIPTION | Trailer Coil Hose Assembly | PART NUMBER | DZ16254130871 |
| WEIGHT | 2kg | VOLUME |
750 mm - 800 mm |
| TRUCK MOLDE | SHACMAN | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CABIN |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
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