Bosch
Spark Plug
$6.57
Champion Spark Plug
Part # 843
4.7(47 reviews)Bujía
$3.00
In Stock
For pickup, you can select Ottawa or Winchester at checkout
1
Express Checkout
Free ShippingOrders $99+
WarrantyManufacturer backed
Easy Returns30-day policy
Canadian OwnedShipped across Canada
Will this fit your vehicle?
Select your vehicle to check fitment.
Champion Spark Plug 843 Vehicle Fitment
Fits 0 vehiclesThis Bujía fits vehicles.
Champion Spark Plug 843 Specifications
- Plug Type
- CJ8
- Seat Type
- Flat
- Hex Size
- 19.000
- Hex Size
- 0.748
- Hex Type
- Hex
- Thread Diameter
- 14.000
Champion Spark Plug 843 Interchange Numbers
This part replaces and is compatible with the following part numbers
Interchange Numbers
CS41(ACDelco)C45W(ACDelco)CS45(ACDelco)C47W(ACDelco)255(Autolite)235(Autolite)2995(Autolite)255BX(Autolite)2996(Autolite)7810(Bosch)WK175T1(Bosch)WS9EC(Bosch)WK145T1(Bosch)WKA145T3(Bosch)7543(Bosch)WS8E(Bosch)8F6347(Caterpillar)J91(Champion Spark Plug)UCJ7G(Champion Spark Plug)CJ11(Champion Spark Plug)UCJ8G(Champion Spark Plug)JT8(Champion Spark Plug)J9J(Champion Spark Plug)CJ8(Champion Spark Plug)TJ8J(Champion Spark Plug)HT10J(Champion Spark Plug)W20MU(DENSO)W20MUS(DENSO)CJ8(John Deere)AM54450(John Deere)790922250(Kubota)33896329868(Mercury Marine)4419643(Mopar)A7N(Motorcraft)A7NX(Motorcraft)2027(NGK)BM6(NGK)6321(NGK)BM6A(NGK)2680(NGK)5921(NGK)CS2(NGK)BM6Y(NGK)BM7(NGK)147N(Prestolite)773021(Silver Streak)L6RC(Torch)L7T(Torch)L6C(Torch)
Champion Spark Plug 843 Product Description
Champion Copper Plus Small Engine 843 Bujía CJ8 Cartón de 4 para Small Engine
Key Features
- 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
- 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
- BUILT-IN NOISE SUPPRESSION -- Modern resistor technology protects sensitive electronics by minimizing electrical interference
Champion® Copper Plus® 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 engine with spark plugs engineered to improve efficiency and keep your vehicle 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 843. Eligible orders over $99 may qualify for free shipping, with some exceptions.
Ratings & Reviews
4.7out of 5
Based on 47 reviews
- 538
- 46
- 31
- 21
- 11
- Direct fit, no surprisesMarc D.Verified BuyerMay 28, 2026
Lined up perfectly with the original. Install took about an hour with the right press. Solid feel back in the steering, no more clunk over bumps.
Installed on 2016 Ram 1500
- Shipped fast across CanadaJen P.Verified BuyerMay 14, 2026
Ordered on a Monday, had it by Wednesday in Calgary. Greasable fitting is a nice touch. Quality looks on par with OEM.
Installed on 2014 Chevrolet Silverado 1500
- Good part, double-check your sideSteve R.Verified BuyerApr 30, 2026
Works great so far. Just confirm fitment for your exact trim before ordering — the fitment list on the page was accurate for mine.
Installed on 2017 Ford F-150
- Quiet againAmrit S.Verified BuyerApr 19, 2026
Replaced both sides at the same time. The knocking noise is completely gone. Boot quality feels durable.
Installed on 2015 GMC Sierra 1500
- Would buy againDaniel L.Mar 22, 2026
Second one I've bought from Autrex. Packaging was secure and the part matched the photos exactly.
Installed on 2013 Dodge Durango
Frequently Asked Questions — Champion Spark Plug 843
What parts does the Champion Spark Plug 843 replace?
The Champion Spark Plug 843 is a direct replacement for ACDelco CS41, ACDelco C45W, ACDelco CS45, ACDelco C47W, Autolite 255 and 44 other part numbers. See the full interchange list for all compatible replacements.
What are the shipping options for the Champion Spark Plug 843?
Shipping options for the Champion Spark Plug 843 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 843 cost?
The Champion Spark Plug 843 is currently listed at $3.00 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 Bujía a direct fit replacement?
Yes, the Bujía 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 Bujía come with?
The Bujía comes with the standard Champion Spark Plug manufacturer warranty. Please check the product specifications for exact warranty terms.
