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(Pack of 2) Champion Spark Plugs for John Deere M78543, M87543, RC12YC Engine
✅ In stock
⭐ Lowest price we've tracked
C
Grade
Analysis Confidence
63%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 11, 2026 4:58 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The listed retail price is trimmed by 1% at checkout.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
4.91/28
Recent Value
4.57/22
Market Standing
17.5/20
Deal Strength
20/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
OEM REPLACEMENT PART
🚚 Shipping
Free Shipping
Product Details
✓John Deere Original Equipment Spark Plug - M78543
⚙️ Specifications
Brand
Champion
Core Material
Copper or Platinum or Iridium
Thread Size
14mm x 1.25mm
Top Material Type
Nickel
Vehicle Service Type
ATV, Tractor, UTV
Brand Name
Champion
Manufacturer Part Number
M78543,2
Global Trade Identification Number
00193979484022, 00717313623245
UPC
717313623245
Unit Count
1 Count
OEM Equivalent Part Number
2829, 71, 71F, 71G, RC12YC