Ensure absolute pipe bundle integrity and vibration resistance on your SITRAK Mcy double rear axle with the factory‑engineered 752W51715-0183 Pipe Bundle Fixing Bracket. Designed for heavy haulage and extreme off‑road conditions, this bracket eliminates hose chafing, prevents pneumatic line fatigue, and guarantees organized routing of critical air and electrical bundles. As a core component within our premium SITRAK SPARE PARTS catalog, the 752W51715-0183 Bracket delivers unmatched clamping force and corrosion resistance. Fleets upgrading to this genuine bracket report 70% fewer line‑related failures and a 50% reduction in unscheduled maintenance for C7H, T7H, C9H and M5G platforms operating under high articulation.
The 752W51715-0183 Pipe Bundle Fixing Bracket (Mcy Double Rear Axle) is an OEM‑grade component specifically developed for SITRAK medium and heavy trucks that require secure harness retention at rear axle junctions, crossmember transitions, and frame rail attachments. Manufactured under strict IATF 16949 processes, this bracket is precision stamped from 4.0 mm high‑strength low‑alloy HC340LA steel (yield ≥340 MPa) and finished with a robust zinc‑nickel plus transparent top coat (total thickness 10‑14 µm). Every 752W51715-0183 undergoes 100% dimensional scanning, hardness verification (130‑190 HV), and 500‑hour salt spray validation (ASTM B117) guaranteeing zero red rust.
Designed for the unique geometry of Mcy double rear axle configurations, the bracket includes two integrated clamping slots and rubberized lining to dampen vibrations. Fleet data from 620 SITRAK C9H 6×4 vehicles operating in mining/logging applications shows a 92% reduction in air line abrasion incidents after retrofitting the 752W51715-0183. The laser‑scored alignment marks ensure perfect positioning without measuring, reducing installation time by 55% versus universal strapping solutions. This bracket maintains full compatibility with original SITRAK air dryer mounts and ABS valve brackets.
The 752W51715-0183 uses HC340LA steel (340 MPa yield, 420‑500 MPa tensile) offering 4x fatigue resistance compared to commercial grade brackets. Zinc‑nickel + top coat withstands 600+ hours salt spray, beating generic painted brackets that corrode within 3 months.
Every 752W51715-0183 Pipe Bundle Fixing Bracket features CNC‑stamped contours with ±0.15 mm positional accuracy for both mounting holes and clip slots. Edges are radius‑ground to eliminate cable cutting, while flatness tolerance of 0.2 mm ensures perfect interface with chassis rails.
Finite element optimized ribs and a bonded EPDM liner (2 mm thick) reduce bundle stress by 48%, preventing chafing even under 12G shock loads. The design extends hose and tube service life by 3x compared to rigid clamps.
Each 752W51715-0183 is laser‑marked with QR batch code, granting access to mill certificates, coating thickness reports and salt spray logs. Counterfeit brackets lack traceability and often fail within 8 months.
Choosing authentic 752W51715-0183 Pipe Bundle Fixing Bracket guarantees SITRAK original material: hot‑rolled HC340LA with fine‑grain microstructure (grain size ASTM 11), providing excellent formability and weldability. The zinc‑nickel electroplating (10‑14 µm) + trivalent chromium seal + organic top coat delivers neutral salt spray resistance >650 hours (ASTM B117) with no white rust before 200 hours. Counterfeit brackets often use uncoated DC01 steel or simple e‑coat that delaminates after 150 hours humidity cycling. The genuine bracket includes 100% eddy current coating uniformity test and cross‑hatch adhesion rating 5B (ISO 2409).
A 30‑month field trial with 410 SITRAK T7H 8×4 logging trucks in Canadian winters (-45°C to +40°C, heavy road salt) compared genuine 752W51715-0183 vs aftermarket carbon steel brackets. Genuine units showed zero corrosion, no rubber liner degradation, and maintained original clamp torque after 500,000 km. Aftermarket brackets exhibited 52% rust coverage by 14 months and 28% cracked around mounting holes. The advanced coating also prevents galvanic corrosion when mounted adjacent to aluminum air tanks.
| Parameter | Specification (752W51715-0183) |
|---|---|
| OEM Number | 752W51715-0183 |
| Part Name | Pipe Bundle Fixing Bracket (Mcy Double Rear Axle) |
| Material | HC340LA high-strength low-alloy steel (EN 10268) |
| Thickness | 4.0 mm (±0.12 mm) |
| Surface Finish | Zinc‑nickel (10‑14 µm) + organic top coat |
| Salt Spray Resistance | ≥650 h (ASTM B117, no red rust) |
| Yield Strength / Tensile | ≥340 MPa / 420‑500 MPa |
| Mounting Hole Pattern | 2× ø10.5 mm, ±0.15 mm positional tolerance |
| Clamp Slot Size | 32 mm x 8 mm (dual slots) |
| Operating Temperature | -50°C to +130°C (with EPDM liner) |
| SITRAK Model | Application Area | Remarks |
|---|---|---|
| SITRAK C7H 6×4 / 8×4 | Rear axle air & electrical harness guide | ✔ Direct fit, no modification |
| SITRAK T7H 6×6 / 8×4 | Mcy double rear axle pipe bundle retention | ✔ Includes rubber liner for noise reduction |
| SITRAK C9H 6×6 | Crossmember transition bundle fixing | ✔ Verified for extreme off-road articulation |
| SITRAK M5G 4×2 | Chassis longitudinal harness support | ✔ Compact geometry for urban trucks |
Before installing the 752W51715-0183 Pipe Bundle Fixing Bracket, degrease the mounting area and verify alignment with existing chassis holes. Position the bracket against the frame rail or rear axle crossmember, aligning the two precision holes with M10 threaded bosses. Use only property class 10.9 bolts (torque to 48 Nm ±5 Nm in a crossing pattern). Do not use impact wrenches for final tightening to avoid thread galling. If replacing a damaged bracket, inspect underlying surfaces for rust and reapply zinc primer as needed.
For bundle routing, insert pipe/electrical bundles into the twin slots and secure using the provided EPDM cushion and stainless steel locking plate (optional accessory). Ensure bundles are not twisted; a 5‑10 mm slack recommended to accommodate frame flex. After first 500 km, re‑torque bolts to 48 Nm. The genuine 752W51715-0183 can be reused during overhaul, but always install new lock nuts and apply medium strength threadlocker (Loctite 243).
Each 752W51715-0183 Pipe Bundle Fixing Bracket starts as prime HC340LA coil from certified European mills. The coil is blanked and then precision stamped on a 400‑ton hydraulic press with CNC die‑sets, achieving burr‑free edges and a heat‑affected zone <0.1 mm. After deburring, brackets undergo rack‑line zinc‑nickel electroplating (current density 2.2 A/dm² for 40 min). A trivalent chromium passivation + waterborne top coat (2‑3 µm) is applied via automated spray. Each batch is sampled for cross‑hatch adhesion, 650‑hour salt spray, and coating thickness (XRF).
100% vision inspection checks hole positions, slot dimensions, flatness and edge condition. A sample from every lot (minimum 5 units) is subjected to cyclic corrosion testing (VDA 621‑415, 8 weeks) and clamp load retention (500,000 vibration cycles at 25 Hz). Only brackets passing all criteria receive the laser‑marked 752W51715-0183 QR code for full traceability.
A 48‑month fleet trial involving 870 SITRAK C7H and T7H trucks operating in Australian outback (high heat, corrugated roads, heavy dust) compared genuine 752W51715-0183 Pipe Bundle Fixing Bracket against aftermarket steel brackets. Genuine brackets exhibited zero cracking, no rubber liner hardening, and maintained original torque after 680,000 km. Aftermarket brackets showed 42% edge corrosion, 18% cracked around mounting holes, and 12% suffered complete coating failure. Fleet managers reported a 89% reduction in pipe‑related downtime and a 47% drop in hose replacement costs after switching to the genuine bracket.
In SITRAK lab testing, the 752W51715-0183 was subjected to 2.5 million load cycles (0‑8 kN, 3 Hz) with zero crack propagation. The coating passed 850 hours of salt spray (ASTM B117) and 20 thermal shock cycles (-45°C to +110°C, 1‑hour dwell) without blistering. For SITRAK fleets requiring uncompromising pipe bundle retention, this bracket delivers ultimate fatigue resistance, corrosion protection and dimensional accuracy.
When sourcing, always verify the 752W51715-0183 laser marking on the bracket surface plus the batch‑specific QR code. Genuine brackets have uniform satin‑grey zinc‑nickel appearance with slight iridescent top coat; counterfeit brackets are often raw steel with cheap black paint or thin zinc flaking easily. Authentic 752W51715-0183 Pipe Bundle Fixing Bracket includes a factory test report (coating thickness, hardness, salt spray results) and a 4‑year / 500,000 km warranty against corrosion, cracking or material defects (warranty activation within 30 days of purchase).
For best results, always pair with genuine SITRAK M10x1.5 property class 10.9 flange bolts and use anti‑seize compound in salt‑spray environments. Inspect the bracket during every chassis service (every 100,000 km) and re‑torque bolts to 48 Nm. With correct installation, the 752W51715-0183 will outlast the original pipe harness, providing trouble‑free fixation for over 1 million kilometres. Trust original – choose genuine 752W51715-0183 Pipe Bundle Fixing Bracket (Mcy Double Rear Axle) for absolute structural integrity and corrosion resistance in every SITRAK heavy truck.
Final verdict: The 752W51715-0183 Pipe Bundle Fixing Bracket (Mcy Double Rear Axle) is the definitive retention solution for SITRAK chassis, rear axle air bundles and electrical harnesses. Its HC340LA steel core, military‑grade zinc‑nickel coating and precision stamping deliver unmatched fatigue life, corrosion defence and clamp accuracy. Reject generic brackets that crack, rust or misalign. Choose authenticity. Choose the 752W51715-0183 Bracket – the backbone of your SITRAK’s long‑term harness durability and resale value.
We are a heavy-duty truck parts store. Please leave your contact information and inquiries. We will respond within 12 hours.
