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Champion Spark Plug
Part # 543
4.92,847 verified reviewsBougie
$17.71
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Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Customer reviews
- Verified
“I've been ordering from Autrex for over 2 years now. Their fitment tool is incredibly accurate, and I've never received a wrong part. The prices are competitive and shipping is always fast. Highly recommend!”
— Michael T., Toronto, ON
- Verified
“Had an issue with a brake caliper that turned out to be defective. Their warranty team handled the replacement quickly and professionally. New part arrived in 3 days. This is how customer service should be!”
— Sarah L., Vancouver, BC
Champion Spark Plug 543 Vehicle Fitment
Fits 0 vehiclesThis Bougie fits vehicles.
Champion Spark Plug 543 Specifications
- Plug Type
- D89D
- Seat Type
- Flat
- Hex Size
- 0.875
- Hex Size
- 22.230
- Hex Type
- Hex
- Thread Diameter
- 0.709
Champion Spark Plug 543 Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
18A(ACDelco)379(Autolite)49(Champion Spark Plug)D89D(Champion Spark Plug)BT15(Motorcraft)BR15S(Motorcraft)8D(Stitt)8DX(Stitt)8ME(Stitt)8MEX(Stitt)
Champion Spark Plug 543 Product Description
Champion Champion Industrial 543 Spark Plug D89D for Agriculture and Industrial
Key Features
- COPPER CORE PRECISION -- Copper core center electrode allows accurate control of heat range, delivering longer life and dependable performance
- CORROSION RESISTANCE -- Coated shell provides corrosion resistance in harsh environments
- OE-REPLACEMENT FOR SMALL ENGINES -- Delivers reliable starts and consistent ignition performance in lawn, garden, and other small‑engine equipment
- BUILT-IN NOISE SUPPRESSION -- Modern resistor technology protects sensitive electronics by minimizing electrical interference
- EASY TO INSTALL -- Pre-gapped design simplifies installation
- OE-QUALITY FIT -- Built to meet OE fit, form and function for dependable performance
- DEPENDABLE STARTS -- Engineered for reliable ignition in all weather conditions
Champion® Copper Plus® small engine spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your small engine with spark plugs engineered to improve efficiency and keep your equipment running at its best.
About Champion Spark Plug
Shop Champion Spark Plug Spark Plug at Autrex with vehicle fitment details, current pricing, and checkout options for the Champion Spark Plug 543. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Frequently Asked Questions — Champion Spark Plug 543
What parts does the Champion Spark Plug 543 replace?
The Champion Spark Plug 543 is a direct replacement for ACDelco 18A, Autolite 379, Champion Spark Plug 49, Champion Spark Plug D89D, Motorcraft BT15 and 5 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the Champion Spark Plug 543?
Shipping options for the Champion Spark Plug 543 are shown during checkout and may vary by item, address, and availability. Eligible orders over $99 may qualify for free shipping, with some exceptions. Call 1-866-461-2787 if you need help confirming shipping or pickup before ordering.
How much does the Champion Spark Plug 543 cost?
The Champion Spark Plug 543 is currently listed at $17.71 CAD at Autrex. Final price, shipping, taxes, and availability are confirmed during checkout. Call 1-866-461-2787 if you need help before ordering.
Is the Bougie a direct fit replacement?
Yes, the Bougie by Champion Spark Plug is designed as a direct fit replacement. Use our vehicle selector to confirm compatibility with your specific vehicle.
What warranty does the Bougie come with?
The Bougie comes with the standard Champion Spark Plug manufacturer warranty. Please check the product specifications for exact warranty terms.
