wheel stamp meanings japanese alloy wheel standards 1 genuine wheel manufactured by the factory not a reproduction or copy 2 et38 offset of the wheel expressed in mm in this case positive 38 offset is the distance from the centre point of the wheel to the hub mounting point which can be either positive or negative 3 rm004 part number in this case an rm design wheel fourth in design production each specific number carrys a specific diameter offset width and fitment 4 jwl this is a safety standard mark which has many different variations which in turn hold different meanings jwl japan light wheel alloy is a compilation of standards defined by the japanese government to ensure the vehicle s safety for aluminum road wheels every wheel put to market in japan must be tested before release to meet jwl standards japan light alloy wheel jwl is the technical standard for light alloy disc wheels for passenger car approved by ministry of transport mot these standards are generally ac cepted worldwide as acceptable for most road conditions that is why you will see these marks on european and other asian country wheels 4 1 jawa japan light alloy wheel association jawa while maintaining close contact with their member companies jawa carries out research and technical studies concerning the manufacture marketing and distribution of automotive light alloy wheels these activities also include market and technical research aimed at developing new demand for industry products plus many other related activities to achieve these objectives japan light alloy wheel association aims to improve quality of automobile light alloy wheel and promotes liability of their product in the automotive after market to establish the order of wheel design in our industry jawa promotes voluntary wheel design protection registration system jawa is also lending its support to the efforts to find solutions to material recycling system 4 2 via vehicle inspection association registration system via via marking can only be engraved on the wheel if registered by japan light alloy automotive wheel testing council after strict quality tests by the authorized testing facility on the adaptability of jwl or jwl t technical standard 4 3 jwl t japan light alloy wheel truck bus jwl t the technical standard for light alloy disc wheels for truck and bus approved by ministry of transport mot 5 6j x 15h2 this stamp is the size of the wheel dependent on the part number in this instance 6j stands for the width of the wheel in inches 6 with 15h2 the diameter of the wheel also in inches 15 6 germany this stamp shows the country that the wheel was manufactured in in most cases it will say germany but some wheels were manufactured in some other european countries for example italy 7 kba41620 kba is short for kraftfahrzeugbundesamt every wheel tyre combination has to be approved by this car authority kraftfahrzeugbundesamt aka kba every component of relevance has to have been c hecked with this department with tests regarding rigidity maximum load etc all of the results are then filed with the kba aftermarket part suppliers would get a kba number after their wheels had passed these tests 8 1j0 601 025 am this is the original equipment manufacturer oem part number this number is dictated by the car manufacturer to enable replacement wheels to be purchased from the manufacturer dealership these numbers can vary massively depending on the company year car etc in this example the part number is a for volkswagen and for rc336 wheel wheel colour codes the following letter codes indicate the finish options available for a particular wheel c brilliant chrome plated finish dbk diamond black paint clear lacquer protective coat dbpk diamond black center polished rim clear lacquer protective coat dsk brilliant silver painted clear lacquer protective coat dspk brilliant silver center polished rim clear lacquer protective coat gk gold clear lacquer protective co at gpk gold center polished rim clear lacquer protective coat pla plasma paint vacuum metallized chrome look finish with clear coat pok complete wheel in ball polish finish clear lacquer protective coat sk silver clear lacquer protective coat spk silver center polished rim clear lacquer protective coat srk sport silver metallic clear lacquer protective coat ai air i the air i ai is a one piece cast alloy wheel using air inside technology featuring hollow spokes and rim flanges the ai wheel also has weight optimized by fem analysis model diameter width fitment offset fitted to ai001 22 10 5j 5x130 et52 ai002 20 10j 5x120 et35 ai003 20 10j 5x112 et52 ai004 20 10j 5x130 et48 co the co is a one piece counter rressure cast alloy wheel with weight optimized by fem analysis model diameter width fitment offset fitted to co002 17 7 5j 5x112 et47 co003 17 7 5j 5x114 30 et45 co004 16 6 5j 5x112 et50 covz033 18 8j 5x112 et44 ch the ch wheel is a one piece cast alloy wheel with a spun in ner rim using flow forming process the weight for the wheel has been optimized by fem analysis and was available in finishes dsk and pla with sizes ranging from 17 to 19 model diameter width fitment offset fitted to ch002 18 8 5j 5x100 et30 audi tt 8n gm vibe chrysler pt cruiser turbo ch003 17 8 5j 5x112 et35 audi a4 b5 8e s4 b5 a6 s6 4b allroad a6 4b saab 900ii 9 3 5 5x110 gm catera 5x110 ch004 19 8 5j 5x120 et35 bmw e46 z4 e85 e36 z3 m ch005 19 9 5j 5x120 et40 bmw e46 z4 e85 z8 e52 e36 z3 ch006 17 8 5j 5x100 et35 audi tt 8n gm vibe chrysler pt cruiser turbo ch007 17 8 5j 5x120 et38 bmw e46 z4 e85 e36 z3 ch009 19 8 5j 5x112 et35 audi a4 b5 8e s4 b5 8e a6 4b rs6 4b a8 d2 4e s8 d2 allroad a6 4b ch010 17 8 5j 5x120 et15 bmw e39 e65 e34 e24 e31 e32 e38 ch012 18 8 5j 5x112 et35 audi a4 b5 8e s4 b5 8e a6 4b rs6 4b a8 d2 4e s8 d2 allroad a6 4b saab 900ii 9 3 5 5x110 gm catera 5x110 ch013 18 8j 5x114 30 et38 nissan altima maxima 300zx turbo murano mazda 626 mx6 rx7 lexus es gs300 l s400 430 sc300 400 430 infiniti i30 35 g35 sedan j30 m45 q45 fx35 hyundai xg300 350 l sante fe ford probe escape dodge stratus 2dr stealth es rt chrysler lhs 300m jeep liberty caravan voyager ch014 19 8 5j 5x100 et30 audi tt 8n gm vibe chrysler pt cruiser turbo ch015 18 8 5j 5x120 et35 bmw e46 e39 e60 e62 e85 e52 e36 e38 z3 m ch016 19 8 5j 5x120 et20 bmw e39 e60 e62 e65 e52 e34 e24 e31 e32 e38 ch017 19 10j 5x120 et20 bmw m3 e46 e39 e65 e34 e24 e31 e32 e38 z3m ch018 18 10j 5x120 et40 bmw e46 z4 e85 e36 z3 m ch022 18 8j 5x110 et40 saab 900ii 9 3 5 gm catera ford lincoln ls t bird ch023 17 7 5j 5x112 et42 audi a4 b5 8e saturn l series 5x110 saab 900ii 9 3 5 5x110 gm catera 5x110 ch025 18 8j 5x112 et50 ch026 19 8j 5x112 et50 ch r the ch r is a one piece counter pressure cast alloy wheel with a back milled spoke area and spun inner rim using flow forming process the ch r also features a stainless steel rim protector and has weight optimized by fem analysis model diameter width fi tment offset fitted to ch100 20 9j 5x120 et24 ch101 20 10 5j 5x120 et24 ch102 20 9j 5x112 et25 ch103 20 10 5j 5x112 et25 ch104 19 8 5j 5x120 et32 ch105 19 9j 5x120 et20 ch106 19 9 5j 5x120 et35 ch107 19 10 5j 5x120 et25 ch108 19 8 5j 5x130 et51 ch109 19 9j 5x130 et53 ch110 19 10j 5x130 et38 ch111 19 11j 5x130 et56 ch112 19 12j 5x130 et45 ch113 20 9j 5x120 et29 ch114 20 10 5j 5x120 et35 ch115 20 9j 5x115 et24 ch116 20 10 5j 5x115 et24 ck the ck is a one piece cast alloy wheel with weight optimized by fem analysis the ck was available in the dsk and pok finishes with sizes ranging from 18 to 20 model diameter width fitment offset fitted to ck001 19 8 5j 5x112 et35 ck002 19 8 5j 5x120 et35 ck003 20 8 5j 5x112 et38 ck004 20 9 5j 5x112 et36 ck005 20 8 5j 5x120 et15 ck006 20 9 5j 5x120 et22 ck007 19 8j 5x108 et42 ck008 18 8j 5x120 et45 ck009 18 8j 5x120 et18 ck011 18 8j 5x112 et44 ck014 19 8j 5x112 et44 ck015 18 8j 5x100 et35 ck016 18 8 5 5x120 et34 ck air ii the air ii ck is a tw o piece construction alloy wheel the wheel has a cast aluminum centre and a cast rim section using air inside technology with a hollow inner rim flange the wheel weight has also been optimized by fem analysis and has a stainless steel rim protector model diameter width fitment offset fitted to ck500 19 8 5j 5x112 et35 ck501 19 8 5j 5x120 et18 ck502 19 10j 5x112 et38 ck503 19 10j 5x120 et20 ck509 18 8j 5x112 et32 ck510 18 8j 5x114 30 et38 ck512 18 7 5j 5x120 et35 ck514 19 8 5j 5x120 et35 ck515 19 9 5j 5x120 et32 cm the cm is a one piece counter pressure cast wheel with a spun inner rim using flow forming process the cm also has weight optimized by fem analysis model diameter width fitment offset fitted to cm001 19 8 5j 5x120 et35 cm002 19 8 5j 5x112 et35 cm003 19 9 5j 5x120 et32 cv the cv is a one piece counter pressure cast wheel with weight optimized by fem analysis the cv was available in the dsk finish in 17 and 18 model diameter width fitment offset fitted to cv001 17 7 5j 4x100 et38 cv002 17 7 5j 5x112 et48 cv003 17 7 5j 5x100 et38 cv005 18 7 5j 5x114 30 et40 cv006 18 7 5j 5x112 et37 cv007 18 7 5j 5x112 et48 cv008 18 7 5j 5x108 et40 cx r the cx r is a one piece counter pressure cast alloy wheel with a spun inner rim using flow forming process and a back milled spoke area the cx r also has wheel weight optimized by fem analysis model diameter width fitment offset fitted to cx001 19 8 5j 5x120 et35 cx002 19 8 5j 5x112 et35 cx003 19 9 5j 5x120 et32 cx004 20 8 5j 5x120 et32 cx005 20 10j 5x120 et25 cx006 20 9j 5x112 et25 cx007 20 10j 5x112 et25 cy air ii air ii cy500 the air ii cy is a two piece construction alloy wheel consisting of a cast aluminum center and a cast rim section using air inside technology for a hollow inner rim flange the cy wheel also has a stainless steel rim protector and weight optimized by fem analysis model diameter width fitment offset fitted to cy500 19 8 5j 5x112 et35 cy501 19 8 5j 5x120 et18 cy502 19 10j 5x120 et20 c y503 19 8 5j 5x120 et35 cy504 19 9 5j 5x120 et32 lm the le mans lm is a two piece alloy wheel with the rim and centre forged in aluminium the wheel features special high quality screw links and weight optimized by fem analysis the lm wheel was availiable in dspk and gpk finishes with sizes ranging from 17 to 20 the le mans wheels incorporate decades of engineering experience on racetracks around the world model diameter width fitment offset fitted to lm076 17 7 5j 5x114 30 et38 acura nsx nissan altima maxima mazda 626 mx6 rx7 infiniti i30 35 j30 g35 sedan ford probe escape dodge stratus 2dr stealth es rt chrysler lhs 300m jeep liberty caravan voyager lm077 18 9j 5x114 30 et42 acura nsx nissan 300zx turbo mazda rx7 lexus gs300 400 430 ls400 430 sc300 400 infiniti m45 q45 lm089 17 8j 5x120 et40 bmw e46 z5 e85 m3 e30 e36 e28 z3 lm098 18 8j 5x120 et35 bmw e46 z5 e85 e36 z3 m lm099 18 8 5j 5x130 et56 lm100 18 10j 5x130 et65 lm114 18 8 5j 5x114 30 et38 nissan altima maxima 300zx t urbo murano mazda rx7 lexus gs300 400 430 ls400 430 sc300 400 infiniti g35 sedan ford probe escape dodge stratus 2dr stealth es rt chrysler lhs 300m jeep liberty lm115 18 9 5j 5x114 30 et38 nissan 300zx turbo mazda rx7 lexus gs300 400 430 ls400 430 sc300 400 infiniti m45 q45 lm116 19 8 5j 5x130 et55 lm118 19 9j 5x114 30 et38 lm119 19 10j 5x114 30 et40 lm120 19 9j 5x114 30 et20 nissan 350z infiniti g35 coupe ford mustang cobra lm121 19 8 5j 5x120 et17 bmw e39 e60 e62 e39 e65 e34 e24 e31 e32 e38 lm122 18 8j 5x108 et35 ferrari 348 355 lm123 18 10 5j 5x108 et65 ferrari 348 355 lm124 18 8 5j 5x120 et30 lm125 18 9 5j 5x120 et34 lm126 18 10j 5x120 et30 bmw m3 e46 e34 z3m lm127 18 8 5j 5x112 et30 audi a4 b5 8e s4 b5 8e a6 4b s8 d2 lm128 18 9 5j 5x112 et32 lm130 18 9j 5x130 et50 lm132 18 11j 5x130 et56 bbs lm133
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