Vehicle price comparison
Mercedes S Class vs Lexus RX Water Pump prices
Saurabh Kumar
Co-Founder & CTO, Part Price Guide
Built the pricing pipeline that collects and normalizes used OEM part listings from salvage yards and online marketplaces across the US.
Ambika Sharma
Co-Founder & COO, Part Price Guide
12 years of project management and technical operations experience. Reviews price guides for sample size, fitment accuracy, and data freshness.
Price face-off
Median price comparison
Condition comparison
How does the price differ by part grade?
Market analysis
Why does the Lexus RX water pump cost more?
A used Lexus RX water pump carries a median asking price of $150, which is 0% higher than the Mercedes S Class at $150. Supply also plays a role: Mercedes S Class has 4,935 priced listings versus 203 for Lexus RX, and more listings generally mean more choices and more competitive pricing.
Only 46% of Lexus RX water pump listings include a posted price (203 of 442 observed) — the rest are "call for price," which usually signals negotiable or higher-than-average pricing.
The Lexus RX water pump is interchangeable across 21 model years versus just 14 for the Mercedes S Class — that wider compatibility window means more donor vehicles in salvage yards and tends to push prices lower.
At Grade B (good) condition, the Lexus RX is 27% cheaper ($150 vs $205) — the gap narrows compared to the overall median difference.
Buyer's checklist
What to check before buying a used water pump
- Spin the pump pulley flange by hand to check for smooth bearing operation, grinding noise, or shaft play (a new pump is usually recommended due to low cost).
- Inspect the weep hole on the pump body for blue/green coolant residue, crusty mineral buildup, or active leakage signs.
- Check impeller vanes (plastic vs stamped steel vs cast iron) for corrosion, missing fins, or detachment from the shaft.
- Verify housing bolt patterns, thermostat housing integration, and belt pulley hub offset relative to engine accessory drives.
Full price guide
Mercedes S Class Water Pump
$25 – $546 · 4,935 listings
Full price guide
Lexus RX Water Pump
$25 – $364 · 203 listings
Common questions
Mercedes S Class vs Lexus RX water pump FAQ
Is a used Mercedes S Class water pump cheaper than a Lexus RX?
Both guides have the same median. The Mercedes S Class water pump ranges from $25 to $546 across 4,935 listings, while the Lexus RX ranges from $25 to $364 across 203 listings.
Can I use a Mercedes S Class water pump in a Lexus RX?
This comparison describes pricing, not interchangeability. Even when two parts share similar prices, they may require different engines, trims, electronics, or mounting points. Always match the seller's part number against your VIN before purchasing.
How many listings does this comparison cover?
This comparison draws from 4,935 priced Mercedes S Class listings and 203 priced Lexus RX listings — 5,138 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Mercedes S Class $161 vs Lexus RX $182. Grade B (Good): Mercedes S Class $205 vs Lexus RX $150. Grade C (Fair): Mercedes S Class $85 vs Lexus RX $30. Grade A parts are in excellent condition, B is good, and C is fair — always confirm grading criteria with the seller.
Are there different trim variants to choose from?
Yes. The Mercedes S Class water pump has 1 trim variant and the Lexus RX has 2. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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