Champion REA8MCX Spark Plug #991 – Polaris Sportsman 850 XP
$4.49
Champion REA8MCX – new spark plug. SKU: Champion991. Standard or specialty ignition replacement for the exact applications listed below. Examples: Polaris Sportsman XP 850 (2009–2011). See pics for color. Sold individually. Confirm your original part number before ordering.
2 in stock
Champion REA8MCX Spark Plug #991 – Polaris Sportsman 850 XP
Product Overview
The Champion REA8MCX spark plug is supplied as one new replacement ignition component. This listing is for the exact model shown, not a universal plug for every engine of similar displacement. Use the documented fitment examples and manufacturer code below to select the appropriate application.
Product Specifications
| Specification | Details |
|---|---|
| Brand | Champion |
| Manufacturer model / code | REA8MCX |
| Our inventory SKU | Champion991 |
| Product type | Spark Plug |
| Condition | New |
| Units included | 1 item (one plug) |
| Thread diameter / pitch | M12 × 1.25 |
| Thread reach | 26.5 mm |
| Hex / wrench size | 14 mm |
| Resistor / resistance | Yes |
| Catalog preset gap | 0.9 mm catalog preset |
| Shipping weight | 0.25 lb |
| Shipping dimensions | 7 × 5 × 1 in |
Package Includes
1 Champion REA8MCX spark plug. Sold individually; not a multi-pack.
Manufacturer Cross-Reference / Interchange Numbers
| Manufacturer / Reference | Part Number or Comparison |
|---|---|
| Polaris OEM | 3022225 |
| Polaris prior part | 3021732 (specified Polaris substitution context only) |
| Champion | REA8MCX / #991 |
Cross-reference values may indicate published interchange candidates or OE search numbers; they are not a substitute for confirming the original plug specification, heat range, resistance, thread size, reach and terminal configuration. Comparisons explicitly marked unconfirmed are NOT represented as direct equivalents.
Vehicle Compatibility / Application Examples
| Make / Group | Model / Application | Documented Years / Limitations | Vehicle Type |
|---|---|---|---|
| Polaris | Sportsman XP 850 | 2009–2011 | ATV |
The applications listed are representative catalog matches only, not an exhaustive fitment claim. Some model years or engine variants use different plugs.
Installation Information
For installation, check the manufacturer service manual for correct spark plug type, gap, tightening torque, and plug-terminal configuration. Use the correct plug socket and do not substitute a different resistor or projected-tip design by appearance alone.
Important Product Notes
Conflicting published NGK interchange claims exist; none is advertised here as an exact equivalent.
Condition and Packaging
New inventory. Original manufacturer boxes, bulk/unboxed inventory, and boxes with possible storage-related distortion may be supplied according to availability. Packaging can show cosmetic storage wear; the product is sold as new. See pics for color.
LEGAL NOTICE – POWERSPORTS, AUTOMOTIVE & OUTDOOR EQUIPMENT PARTS
*Buyer represents that he is over 18 years of age to purchase this product.
This Product Disclaimer, Assumption of Risk, and Waiver of Liability is incorporated into and governed by the Terms & Conditions, Shipping Policy, Returns Policy, Privacy Policy, and Product Compliance & Buyer Responsibility Policy of R/R Sports International, Inc. d/b/a Blaze Powersports and Outdoors, Blaze Powersports all of which are incorporated herein by reference.
Buyer is solely responsible for researching, identifying, and selecting the correct replacement or repair parts for Buyer’s specific ATV, Side by Side, UTV, dirt bike, go-kart, motorcycle, automobile, truck, scooter, lawncare, or other equipment. Buyer must review and rely upon applicable manufacturer schematics, parts diagrams, service manuals, and part numbers, and independently compare and contrast the parts offered for sale to Buyer’s specific unit.
Seller makes no representation or warranty that any part is correct, compatible, or suitable for any specific vehicle or equipment application. Manufacturer, importer, distributor, dealer, or prior owner modifications, substitutions, or alterations may cause discrepancies between published schematics, parts listings, and the actual configuration of Buyer’s unit. Seller shall not be responsible for any such discrepancies or incompatibilities.
Installation, repair, modification, or replacement of parts should be performed only by experienced, trained, or knowledgeable individuals using proper tools, safety equipment, and procedures, and strictly in accordance with the appropriate manufacturer service manuals and specifications for the specific unit.
Improper installation or use of parts may result in equipment failure, property damage, serious injury, or death. Buyer knowingly assumes all risks associated with the installation, use, misuse, or inability to use any parts purchased.
Buyer agrees to indemnify, defend, and hold harmless Seller from any claims, damages, losses, costs, or liabilities arising from Buyer’s selection, installation, modification, or use of any parts, or from Buyer’s failure to follow manufacturer specifications or applicable laws.
All products are sold AS IS and AS AVAILABLE, subject only to warranties expressly required by law, as more fully set forth in Seller’s Terms & Conditions.
| Weight | 0.25 lbs |
|---|---|
| Dimensions | 7 × 5 × 1 in |
| Condition |
New |
| Manufacturer Part Number |
REA8MCX |
| Brand |
Champion |
| Product Type |
Spark Plug |
| Resistance / Resistor |
Yes |
| Thread Size |
M12 × 1.25 |
| Thread Reach |
26.5 mm |
| Electrode Design |
Conventional |
| Color |
See pics for color |
Shipping
Processing Time: Most orders are shipped the same day if payment is received before 11:00 AM (Central Time) on weekdays.
Non-Shipping Days: No shipments are made on weekends, postal holidays, or during periods of extreme inclement weather.
Carrier Handling: Shipping services are selected by the Buyer at checkout when options are provided. When no option is selected or available, the Seller will choose a carrier and service level at its discretion.
Accuracy of Shipping Information: The Buyer is solely responsible for providing a valid and complete shipping address. Orders returned or delayed due to incorrect or incomplete addresses are the responsibility of the Buyer, including any additional postage or reshipping fees.
Risk of Loss: Risk transfers to the Buyer once the carrier accepts the package for shipment. The Seller will not issue a replacement item or reship an order at no cost unless the carrier approves the associated insurance claim and confirms the loss. All decisions made by the carrier regarding insurance claims are binding.
