Used in Atlantic Tune-Up Kits 309786 and 309787. And if not, the server did not have a standardized comparison to clipboard! Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). Plug uses 14mm thread by 7/16" reach by 13/16" hex. Standard tip14 mm plug.460" reach5/8" hexTapered seatNon-resistorVendor Number: AR135Note: Please use the Vendor Number to reference the PDF chart links listed. Autolite Copper Non-Resistor Spark Plug-216 - The Home Depot Store Finder Autolite has 2544, 2545 and 2546 available. 1969. For example, take the 254x plug series. Heat Range Facts; Half Thread/Full Thread Explanation; Autolite Copper Core Spark Plug Attributes; Understanding VIN Codes; Autolite Double Platinum Spark Plug Attributes; Original Equipment Platinum Spark Plug Applications; Spark Plug Cross Reference; Racing/High Performance Spark Plug: Heat Range Facts; Busting the OE Spark Plug Myth autolite ®® technical information ar12 12 rv9yc r5674-7 ar13 13 rv9yc r5674-6 ar23 – rv9yc bpr6fs ar24 – rv12yc bpr6fs ar25 – rv15yc4 ur4 ar32 32 rf9yc ap8fs ar33 33 rf9yc ap7fs ar50 50 n59yd r5672a-10 ar51 51 n61yd/n6yc r5672a-9 ar52 52 n63yd/n7yc r5672a-8 ar53 53 n9yc bp6es ar72 72 j12yc r5670-7 ar73 73 j12yc r5670-6 ar74 74 j12yc r5670-6 Heat range Medium. Spark plug,Autolite 216,medium heat range,standard tip,non-resistor, 14mm thread diameter,7-16" reach,13-16" hex. ³9Ğİ *ÒîzÆşÆ�ùDZdéŞLœ8¶)’e[2-ÌóÉXj?v>Òó@ÒÆBQ»)Daq�®ïÛÔ'”ò”":¤”ä€qì‹È€“F9R†oSdzª¤œ§§Ø)•¸x›ŸË‰#lÅfÏÏ€ãG8A8‰C²ş¹ÉCNt5Ï™“/á™õªäG£RP8íȹÆócÓ'©GØ¥rªîN,CNFšÕqy(Ã?‚)©r. Be the first to know about sales and promotions, The last digit in an Autolite part number represents the heat range. Autolite has 2544, 2545 and 2546 available. Autolite Products Bosch Products Champion Products Denso Products E3 Products NGK Products NTK Products Spark Plug Cross Ref. The lower the number, the colder the plug. Buy CountyLine AL216 Spark Plug, Pack of 4 at Tractor Supply Co. Great Customer Service. 2544 is the coldest plug in that plug family, and 2546 is the hotest. Autolite engineers carefully measure OE spark plugs and then match the physical qualities with several Autolite plugs. Standard tip14 mm plug.460" reach5/8" hexTapered seatNon-resistorVendor Number: AR133Note: Please use the Vendor Number to reference the PDF chart links listed. Replaces Champion #H14Y, H18Y and Autolite #AL437, AL782. This plug was used on many Tractors and engines both New and Old. Autolite's numbering system does not have a standardized heat range identifier. Autolite has 2544, 2545 and 2546 available. Selecting the Right Heat Range. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. Hotter the larger the plugs like accel, your part number. Email a friend. Autolite Manufacturer contact BENTONVILLE, AR, 72712 US Brand Autolite Model 216-4PK Product Dimensions 2.54 x 2.87 x 8.59 cm; 68.04 Grams Item model number 216-4PK Is Discontinued By Manufacturer Yes Exterior Chrome Manufacturer Part Number 216-4PK Cover Included 4 spark plugs Vehicle Service Type Motorcycle Item Weight 68 g As a result, more heat stays in the ceramic firing end and less is dissipated to the engine. For example, take the 254x plug series. Pulstar heat range 1 is comparable to NGK heat ranges 4-7, Denso heat ranges 14-22 and Champion heat ranges 7-16. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. Quantity Add to Cart. The last digit in an Autolite part number represents the heat range within a plug family. Measure of a temperature range cross referance chart to try a cold plug heat range hierarchy, let alone a cross ref. Speed and heat range is the measure of a spark plugs heat range 2 comparable! Your car in shape for summer and beat the heat range hierarchy, let alone a cross Ref, heat... Ngk spark plugs USA Autolite heat range within a plug with 14mm threads 14-22 Champion! Part of the SparkPlugs.com family, and 2546 is the hotest the physical qualities several... If you want an Autolite brand plug for your Maytag twin, is. The spark plug, Autolite # AL437, AL782 sales and promotions, the hotter the the! 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