
Vehicle price comparison
Mercedes E Class vs Mazda 3 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 Mercedes E Class water pump cost more?
A used Mercedes E Class water pump carries a median asking price of $144, which is 44% higher than the Mazda 3 at $100. Supply also plays a role: Mercedes E Class has 3,344 priced listings versus 174 for Mazda 3, and more listings generally mean more choices and more competitive pricing.
Grade A (excellent condition) parts make up 83% of Mercedes E Class listings compared to 65% for the Mazda 3, so buyers looking for top-condition units will find more options on the Mercedes E Class side.
Only 35% of Mazda 3 water pump listings include a posted price (174 of 498 observed) — the rest are "call for price," which usually signals negotiable or higher-than-average pricing.
At Grade A (excellent) condition, the Mazda 3 is 30% cheaper ($104 vs $149) — 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 E Class Water Pump
$29 – $502 · 3,344 listings
Full price guide
Mazda 3 Water Pump
$25 – $289 · 174 listings
Common questions
Mercedes E Class vs Mazda 3 water pump FAQ
Is a used Mercedes E Class water pump cheaper than a Mazda 3?
Mazda 3 has the lower median by $44 (44%). The Mazda 3 water pump ranges from $25 to $289 across 174 listings, while the Mercedes E Class ranges from $29 to $502 across 3,344 listings.
Can I use a Mercedes E Class water pump in a Mazda 3?
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 3,344 priced Mercedes E Class listings and 174 priced Mazda 3 listings — 3,518 in total.
How does condition grade affect the price?
Part condition significantly impacts price. Grade A (Excellent): Mercedes E Class $149 vs Mazda 3 $104. Grade B (Good): Mercedes E Class $182 vs Mazda 3 $95. 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 E Class water pump has 2 trim variants and the Mazda 3 has 3. Variants differ by engine size, drivetrain, or part number — matching the right variant is critical for proper fitment.
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