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CHAMPION 71ECO Spark Plug - 14mm Thread, Fine Wire Nickel, Heat Range 12

71ECO by CHAMPION - Spark Plug - 14mm Thread, Fine Wire Nickel, Heat Range 12
CHAMPION
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MSRP: $8.98

$6.49

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CHAMPION 71ECO Part Description

Manufacturer

CHAMPION

Product Description

Premium™ Spark Plug - 0.625" Hex, 0.551" Thread Diameter, Flat Seat, 0.75" Reach

Application Summary

Push mower, Self Propelled Push mowers, Log splitters, Snow Throwers, Garden tractors, Riding Mowers, Commercial Riding Mowers, Generators, Sweepers, Stump Grinders, Wood Chippers, Presure Washers

Features & Benefits

  • Thread finish allows smooth installation without binding in older aluminum cylinder heads
  • Insulator glazing minimizes soot adhesion during dusty lawn and field operation
  • Vibration-resistant construction maintains gap stability in engines with uneven firing pulses
  • Terminal end provides secure coil-wire contact even in equipment with frequent movement

Champion Spark Plug

The Champion Spark Plug is suited for small engines found in push mowers, riding mowers, snow throwers, and other outdoor power equipment that must start cleanly and run consistently despite short cycles. Its 14 mm configuration and fine-wire nickel center electrode focus spark energy efficiently, allowing easier ignition in engines that sit idle for extended periods or operate in cold, humid environments. The Heat Range 12 rating helps maintain stability through prolonged mowing sessions or generator run cycles, preventing fouling when conditions shift quickly. The Champion 71ECO also reduces emissions and contributes to smoother combustion, especially useful for equipment frequently restarting throughout the day. 

CHAMPION 71ECO Specifications

Product Attributes

Ground Electrode Tip Design J Gap
Ground Electrode Core Material Nickel
Washer(s) Included Yes
Electrical Terminal Type Non-Removable Nut
Center Electrode Tip Material Nickel
Ground Electrode Quantity 1
Hex Size 0.625 IN
Insulator Height 0.06 IN
Manufacturer Heat Range 12
Seat Type Flat
Reach 0.75 IN
Thread Diameter 0.551 IN
Resistor Type Yes
Ground Electrode Tip Material Nickel
Skirt No
Hex Type Hex
Center Electrode Design Standard
Washer Type Crush
Indexed No
Center Electrode Diameter (inch) 0.052 IN
Gap Style J Gap
Ground Electrode Material Solid Nickel Alloy
Installed Height (inch) 2.05 IN
Insulator Projection (inch) 0.06 IN
Part Description Spark Plug
Plug Type QC12YCX
Pre-gap Size 0.03
Hex Size 15.880 MM
Thread Diameter 14.000 MM
Title Champion Premium Small Engine- Carded
Grade Type Premium
Subject To Prop 65 (yes/no) No
Center Electrode Diameter (inch) 0.052 in
Classification Champion Premium Small Engine
Insulator Height 0.06 in
Installed Height (inch) 2.05 IN
Insulator Projection (inch) 0.06 in
Reach 0.75 in
Thread Diameter 0.551 IN, 14.000 MM
Pre-Gap Size 0.03
Hex Size 0.625 IN, 15.880 MM

Additional Information

Country of Origin (Primary) MX
Harmonized Tariff Code (Schedule B) 8511100000
Harmonized Tariff Code (HTS) 8511100000
Refurbished Part N
Remanufactured Part N
UPC 00037551014804
VMRS Code 033003005

CHAMPION 71ECO Part Interchanges

Brand Part Number
Bosch 7927, 7955, 7957, 7963, F8DC, F8DC0, F8DPER, F8LDCR, F9DC0, FGR7DQE0, FR10DCX, FR10DX, FR7DC, FR8DC, FR8DCX, FR8DS
Champion Spark Plug 4071, RC12YC, RC12YX, RC14YC, QC12YCX
Mopar 56006240
Motorcraft AGSP22C, AGSP32, AGSP32C, AGSP52, AGSP52C
Autolite 3924, 3926, 5224, 5924
NGK 1266, 1273, 2249, 2288, 2382, 2460, 2985, 3524, 3696, 3783, 3967, 4120, 5165, 6130, 6953, 6962, 7390, 7496, 7938, BCP5ES, BCP5EV, BCPR5E11, BCPR5ES, BCPR5ES11, BCPR5EY, BCPR5EY11, BCPR5EYN11, BCPR7ER, BKR5E, BKR5E11, BKR5EKB11, BKR5EKU, BKR5EN11, BKR5ES, BKR5ES11, BKR5EY, BKR5EY11, BKR5EYA, BKR5EYA11, BKR6E, BKR6EK, BKR6ES, BKR6ES11, BKR6EY, BKR6EYA, CS6, FR4, FR5AP10, ZFR5F, 6364
ACDelco 41602, 41610, 41617, 41627, 41628, FR2LS, FR2LSK, FR3CLS, FR3LS, FR3LSJ, FR3LSK, FR3LX
ACCEL 416, 786
Briggs & Stratton 491055, 491055S, 499608, 594056, 692051, 72347GS, 792015, 805015
Kohler 1213202, 1213202S, 1413203, 2513223S
Silver Streak 773031
Cub Cadet 759336
Datsun/Nissan 2240150Y05, 2240155Y15, B2401F4103
E3 E320, FF20
John Deere M78543
MTD Products 7593336, BS491055, CC7593336, KH1213202, KH1213202S
Torch K4RTC3, K5RF11, K5RTC, K5RTC11
DENSO K16PRU, K16RU, K20PRU, K20RU, Q16PRU, Q16PRU11, Q16RU, Q16RU11
Generac 0e7585a, 0g0767b
Westinghouse 97110

CHAMPION 71ECO Cross References

We have 1 alternatives for the 71ECO by CHAMPION:

CHAMPION 71ECO Manufacturer Information

For more than 110 years, Champion® has been a highly respected brand for spark plugs worldwide. From airplanes to high-performance race cars, Champion has developed spark plugs for almost every type of engine. Its century’s worth of experience and commitment has led to designs and optimizations that make Champion spark plugs perform better than the competition. This proven expertise and engineering has also been expanded to other maintenance products, including Champion filters, batteries, and lighting. All products are designed, manufactured, and tested in accordance with OE specifications to ensure a seamless fit and function. When it comes to quality, the customer is always a winner with Champion.

California Proposition 65 Warning California residents see

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