Description: This Champion Copper Plus 821 Spark Plug replaces Bosch W4A, Bosch W4A1, Bosch W4A2, Bosch W4A5, Bosch W4AC, Bosch W4AS, Champion Spark Plug L77JC4, Motorcraft AE091X, Motorcraft AV091X4, Autolite 2634, NGK 2129, NGK 704, NGK B10HS, NGK B9HS, NGK B9HS10, NGK B9HV, ACDelco M40FFX, ACDelco M41FF, DENSO W31FS, OEM parts and is perfect for replacement or a performance upgrade. Accessories Air Conditioning Cooling Drivetrain Electrical Engine Exterior Suspension SIXITY-BRAND PARTS CV Axle Assemblies Ignition Coils Lift Kits Lift Supports Lug Nuts Shocks & Struts Wheel Bearings Wheel Spacers & Adapters Windshield Wipers TOP BRANDS AISIN Autolite Bosch Carter Champion Dayco Delphi DENSO Dorman Fel-Pro FRAM Gabriel Gates Hitachi Monroe MOOG MotoRad NGK Purolator SKF StrongArm Sylvania TYC ...MORE Champion Copper Plus 821 Spark Plug for W4AS W4AC W4A5 W4A2 W4A1 W4A W31FS sj Status: In Stock Condition: New IMPROVE PERFORMANCE: The tried-and-true Champion Copper Plus SME Spark Plug boosts performance so that your engine runs at its best. For projects large and small, the Champion Copper Plus SME spark plugs are the right plugs for the job. They help power millions of small engines, including mowers, tractors, and similar small engine machinesCHOOSE CONSISTENT COMBUSTION: The Champion Copper Plus SME Spark Plug employs a copper-core center electrode and patented SAC-9 semiconductor resistor to produce complete and efficient combustion over the life of the spark plug. The Ultraseal-coated shell reliably resists fouling and offers superior corrosion resistance, ensuring long-lasting sparking capabilities and dependable performance and durabilityREDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, reduces emissions, and enables better fuel economy so that your engine runs at its best. The durable shell reliably protects the spark plug from corrosion, ensuring long-lasting sparking capabilities. The center and ground electrodes promote sharper spark focus for fewer misfiresIMPROVE IGNITION AND SPARK EFFICIENCY: This Spark Plug employs advanced center and ground electrodes to produce complete and efficient combustion and deliver an outstanding spark for faster, stronger, and more powerful combustion over the life of the spark plug. The corrosion-resistant center and ground electrodes minimize spark gap growth and provide greater ignitability and spark efficiency For over 110 years, the Champion brand has been a world leader in the manufacturing of spark plugs for every kind of combustion engine. As a reputable supplier of performance-driven quality, Champion leverages a century of expertise and excellence to drive spark plug designs that boost the performance of every vehicle they power. Confirm Vehicle Compatibility To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim, and Engine in the eBay Compatibility Table. Many of the parts we sell at Sixity Auto only work with specific vehicles. Please double-check the accuracy of your order before purchasing. Check that the reference number, size, and placement are correct. Contact Sixity Auto If you have any questions, you may reach us via our eBay Contact Form. One of our outstanding customer service representatives from our US-based service centers will respond to your questions or feedback. Shipping Your order will be processed and shipped within one business day. We strive to ship every order promptly. We will email you a tracking number when your order ships. Once the tracking number is generated, please allow 24-48 hours for tracking movement to appear. Our smaller items are shipped via USPS First Class or DHL, while larger, heavier items are shipped via FedEx Ground or UPS. Some items offer faster shipping for a small fee. Please see the Shipping and payments eBay tab for more details on shipping rates and delivery times. Sorry, no local pickups available. We participate in the eBay global shipping program. Please see the Shipping and payments eBay tab for details on the countries we ship to outside of the U.S. Customer Satisfaction Sixity Auto stands for value, selection, and quality. Our goal is to provide a 5-star shopping experience. We give all our customers positive eBay feedback. Please work with us by contacting us here if you have a problem, before leaving negative feedback. Returns If you would like to return your new, unopened, and uninstalled part: From within My eBay, click Purchases. Find the item you ordered. Below the Leave Feedback button, click [More Actions] > [Return This Item]. Select a reason. The most common reason is Doesn't Fit. Add details like I tried to install this part, and it didn't fit. Click [Request a Return]. Returned parts will be inspected, and a refund given within 5 business days if the part is new, unopened, and uninstalled. Original shipping costs and a restocking fee may be deducted from your refund. If the item has been opened, installed, or used, we are unable to accept a return due to safety concerns. About Us We help drivers find top OEM-replacement auto parts from the best brands in the world at unbeatable prices with fast and free shipping. Try our fast shipping today: 99% of orders ship within 1 business day! Our goal is to provide you with the best possible shopping experience through unsurpassed value, convenience, and selection. We strive to deliver on our core tenets for our value-conscious customer base including free and fast shipping*, a 100% fitment guarantee**, a U.S.-based Customer Service Center, and a limited 1-year warranty on Sixity-branded parts. Give us a try today - and thanks for shopping with us! Free, Fast Shipping* 100% Fitment Guarantee** 1-Year Limited Warranty on all Sixity-brand parts US-Based Customer Service Team Always Genuine OEM-Replacement Parts from the Best Brands All Parts Ship from the United States within 1 Business Day 5-Star Rated on Google, Sitejabber, Trustpilot, and A+ Rated by the BBB * Free shipping applies to the lower 48 states. Certain items may require additional surcharges. ** We guarantee all parts sold under the Sixity brand will fit the vehicles they are advertised to fit. Reviews Shop Featured Categories Ignition Coils Lift Supports Shocks & Struts Wheel Spacers Ignition Coils Lift Supports Shocks & Struts Wheel Spacers TOP BRANDS AISIN Autolite Bosch Carter Champion Dayco Delphi DENSO Dorman Fel-Pro FRAM Gabriel Gates Hitachi Monroe MOOG MotoRad NGK Purolator SKF StrongArm Sylvania TYC ...MORE HELPFUL LINKS Add to Favorite Sellers View Feedback Contact Seller View Seller's eBay Store About Seller Page SELLER RATINGS WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: www.p65warnings.ca.gov WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: www.p65warnings.ca.gov © 2024 Sixity, Inc. All Rights Reserved.
Price: 7.09 USD
Location: Indianapolis, Indiana
End Time: 2025-01-01T13:59:45.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Return shipping will be paid by: Buyer
Returns Accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
Type: Spark Plug
Item Length: 3.750
Manufacturer Warranty: Iridium 7 Yr | Double Platinum 5 Yr | Platinum 3 Yr | Copper 2 Yr
Interchange Part Number: Bosch W4A, Bosch W4A1, Bosch W4A2, Bosch W4A5, Bosch W4AC, Bosch W4AS, Champion Spark Plug L77JC4, Motorcraft AE091X, Motorcraft AV091X4, Autolite 2634, NGK 2129, NGK 704, NGK B10HS, NGK B9HS, NGK B9HS10, NGK B9HV, ACDelco M40FFX, ACDelco M41FF, DENSO W31FS, Autolite NGK S504, Denso Bosch 19-46
Core Charge: Free - No Core Charge
Fitment Type: Direct Replacement
Bundle Description: 1 pc Genuine Champion Spark Plug
Manufacturer Part Number: 821
Brand: Auto Plus
