Product Specification

High Sales Volume Water Pump Assembly A2732000201 for Mercedes-Benz M273 / M156 Engine

This best-selling integrated water pump assembly with OE number A2732000201 is the core cooling system wearable component for Mercedes-Benz M273 V8 naturally aspirated engines and M156 AMG high-performance engines, widely stocked by luxury car repair centers and cross-border auto parts wholesalers with strong aftermarket demand.

Core Selling Points

Hot-selling overhaul spare part with continuous repeat bulk orders

Water pumps are mandatory replacement parts during major maintenance for M273 and M156 engine models. Original pumps are prone to water seal aging, coolant leakage, bearing wear and impeller efficiency decline under long-time high-temperature operation of large-displacement V8 engines. Defective pumps trigger engine overheating alarms, weak warm air and abnormal mechanical noise. Luxury service shops and global distributors place recurring bulk orders all year round, bringing stable sales volume and attractive profit margins for dealers.

100% OE precise matching, direct bolt-on installation without modification

Manufactured fully in line with Mercedes original mold, mounting hole distribution, water channel interface and pulley size standards. The aluminum pump housing, high-flow impeller, fixed bolt positions and sealing structure are completely consistent with genuine OEM parts. No cutting, grinding or pipeline refitting required during replacement, perfectly fits M273/M156 engine compartments to greatly reduce maintenance labor time.

Wide compatible vehicle range

Fit Mercedes vehicles equipped with M273 V8 engine and M156 AMG engine: W211 E500, W221 S500, W164 ML500, X164 GL500, R230 SL500, W204 C63 AMG, W212 E63 AMG, X166 GL63 AMG and other large-displacement luxury models.

Reinforced high-load & high-temperature resistant structure

1. Thick die-cast aluminum pump body, anti-deformation and anti-crack under long-term V8 high heat output
2. Large-diameter optimized impeller, boosting coolant circulation volume to meet heat dissipation demand of large-displacement engines
3. Imported high-temperature resistant dual-layer fluorine rubber water seal, effectively prevent antifreeze seepage, resistant to coolant corrosion and aging
4. Heavy-duty silent bearing assembly, low vibration and stable operation under long-term high-speed rotation

Efficient constant cooling to protect high-performance V8 engines

Optimized internal flow path maintains powerful and stable coolant circulation under idle, high-speed and full-load driving. Accelerates cold start warm-up, locks engine working temperature within safe range, avoids cylinder head warping and engine damage caused by overheating, and extends the service life of expensive large-displacement engines.

Fully solve typical water pump failure faults

Perfectly fixes common issues: coolant leakage at pump housing, engine high-temperature warning light, slow heating in winter, abnormal rattling noise from front engine, fluctuating water temperature reading, increased fuel consumption and power drop due to insufficient heat dissipation.

Strict multi-stage factory inspection & abundant spot stock

Every pump assembly passes air tightness leak test, flow efficiency test, high-temperature cycle aging test and dimensional inspection before delivery, meeting international TS16949 automotive quality certification. Mass ready stock supports fast bulk shipment. Custom neutral packaging and private label OEM services are available to satisfy cross-border wholesale one-stop procurement needs.