# Denso 4021

> All equivalents for the Denso 4021 spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Thread:** 14 mm
- **Heat range:** Very hot
- **Resistor:** no
- **Seat:** Flat (gasket)
- **Torque:** fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

## 146 equivalents

- [NGK BP7HS](https://www.thesparktwin.com/en/ngk/bp7hs/)
- [Bosch W5B](https://www.thesparktwin.com/en/bosch/w5b/)
- [Bosch W5B+](https://www.thesparktwin.com/en/bosch/w5b/)
- [Bosch W5BC](https://www.thesparktwin.com/en/bosch/w5bc/)
- [Bosch W6BC](https://www.thesparktwin.com/en/bosch/w6bc/)
- [Bosch W7BC](https://www.thesparktwin.com/en/bosch/w7bc/)
- [Bosch WR5BC](https://www.thesparktwin.com/en/bosch/wr5bc/)
- [Bosch W 6 BC](https://www.thesparktwin.com/en/bosch/w-6-bc/)
- [Bosch WR5BC+](https://www.thesparktwin.com/en/bosch/wr5bc/)
- [Bosch W240T35](https://www.thesparktwin.com/en/bosch/w240t35/)
- [Champion L78YC](https://www.thesparktwin.com/en/champion/l78yc/)
- [Champion L82YC](https://www.thesparktwin.com/en/champion/l82yc/)
- [Champion L83YC](https://www.thesparktwin.com/en/champion/l83yc/)
- [Champion L82YCC](https://www.thesparktwin.com/en/champion/l82ycc/)
- [Champion RL87YC](https://www.thesparktwin.com/en/champion/rl87yc/)
- [Champion L82YC/051](https://www.thesparktwin.com/en/champion/l82yc-051/)
- [Champion RL87YC/051](https://www.thesparktwin.com/en/champion/rl87yc-051/)
- [Champion RL87YC/T04](https://www.thesparktwin.com/en/champion/rl87yc-t04/)
- [Champion OE038](https://www.thesparktwin.com/en/champion/oe038/)
- [Champion OE104](https://www.thesparktwin.com/en/champion/oe104/)
- [Champion P-L7YC](https://www.thesparktwin.com/en/champion/p-l7yc/)
- [Denso W22FP](https://www.thesparktwin.com/en/denso/w22fp/)
- [Denso W15FP-U](https://www.thesparktwin.com/en/denso/w15fp-u/)
- [Denso W20FT-U](https://www.thesparktwin.com/en/denso/w20ft-u/)
- [Denso W22FP-U](https://www.thesparktwin.com/en/denso/w22fp-u/)
- [Beru 22514A](https://www.thesparktwin.com/en/beru/22514a/)
- [Beru 24014A](https://www.thesparktwin.com/en/beru/24014a/)
- [Beru 14-5 BU](https://www.thesparktwin.com/en/beru/14-5-bu/)
- [Beru 14-6 BU](https://www.thesparktwin.com/en/beru/14-6-bu/)
- [Beru 14-7 BU](https://www.thesparktwin.com/en/beru/14-7-bu/)
- [Beru 14-8 BU](https://www.thesparktwin.com/en/beru/14-8-bu/)
- [Beru 1445700](https://www.thesparktwin.com/en/beru/1445700/)
- [Beru 2435701](https://www.thesparktwin.com/en/beru/2435701/)
- [Beru Z 19](https://www.thesparktwin.com/en/beru/z-19/)
- [Beru Z 41](https://www.thesparktwin.com/en/beru/z-41/)
- [Beru Z 48](https://www.thesparktwin.com/en/beru/z-48/)
- [Beru Z  19](https://www.thesparktwin.com/en/beru/z-19/)
- [Brisk N12Y#](https://www.thesparktwin.com/en/brisk/n12y/)
- [Brisk N14YC](https://www.thesparktwin.com/en/brisk/n14yc/)
- [Brisk N12YC#](https://www.thesparktwin.com/en/brisk/n12yc/)
- [Torch E7TC](https://www.thesparktwin.com/en/torch/e7tc/)
- [Torch T4138J](https://www.thesparktwin.com/en/torch/t4138j/)
- [Motorcraft AE22](https://www.thesparktwin.com/en/motorcraft/ae22/)
- [Motorcraft AE22C](https://www.thesparktwin.com/en/motorcraft/ae22c/)
- [ACDelco R42FS](https://www.thesparktwin.com/en/acdelco/r42fs/)
- [ACDelco R43FS](https://www.thesparktwin.com/en/acdelco/r43fs/)
- [ACDelco B44FFS](https://www.thesparktwin.com/en/acdelco/b44ffs/)
- [ACDelco C42CFS](https://www.thesparktwin.com/en/acdelco/c42cfs/)
- [ACDelco R42CFS](https://www.thesparktwin.com/en/acdelco/r42cfs/)
- [Eyquem C62S](https://www.thesparktwin.com/en/eyquem/c62s/)
- [Splitfire SF412C](https://www.thesparktwin.com/en/splitfire/sf412c/)
- [E3 A23B](https://www.thesparktwin.com/en/e3/a23b/)
- [KLG GT7](https://www.thesparktwin.com/en/klg/gt7/)
- [KLG F85P](https://www.thesparktwin.com/en/klg/f85p/)
- [Engels A23B](https://www.thesparktwin.com/en/engels/a23b/)
- [APS A23B](https://www.thesparktwin.com/en/aps/a23b/)
- [LD E7TC](https://www.thesparktwin.com/en/ld/e7tc/)
- [Nhsp E7TC](https://www.thesparktwin.com/en/nhsp/e7tc/)
- [Engels F85P](https://www.thesparktwin.com/en/engels/f85p/)
- [Enker F85P](https://www.thesparktwin.com/en/enker/f85p/)
- [Bosna F85P](https://www.thesparktwin.com/en/bosna/f85p/)
- [Marchal GT34](https://www.thesparktwin.com/en/marchal/gt34/)
- [Napa X936](https://www.thesparktwin.com/en/napa/x936/)
- [Newstar E7RTC](https://www.thesparktwin.com/en/newstar/e7rtc/)
- [Bosna F65PR](https://www.thesparktwin.com/en/bosna/f65pr/)
- [Engels F85CP](https://www.thesparktwin.com/en/engels/f85cp/)
- [Enker F85CP](https://www.thesparktwin.com/en/enker/f85cp/)
- [Bosna F85CP](https://www.thesparktwin.com/en/bosna/f85cp/)
- [Marchal GT34D](https://www.thesparktwin.com/en/marchal/gt34d/)
- [Mico WR6BC](https://www.thesparktwin.com/en/mico/wr6bc/)
- [Bosna F65CPR](https://www.thesparktwin.com/en/bosna/f65cpr/)
- [Unipart GSP571](https://www.thesparktwin.com/en/unipart/gsp571/)
- [Marchal GT34.5](https://www.thesparktwin.com/en/marchal/gt34-5/)
- [Hitachi M44-PW](https://www.thesparktwin.com/en/hitachi/m44-pw/)
- [Hirih H14E7RTC](https://www.thesparktwin.com/en/hirih/h14e7rtc/)
- [Isolator PM14-225](https://www.thesparktwin.com/en/isolator/pm14-225/)
- [Motorpal SUPERN8Y](https://www.thesparktwin.com/en/motorpal/supern8y/)
- [Tacti V91104021](https://www.thesparktwin.com/en/tacti/v91104021/)
- [Kawasaki E920701141C](https://www.thesparktwin.com/en/kawasaki/e920701141c/)
- [Kawasaki E920701202B](https://www.thesparktwin.com/en/kawasaki/e920701202b/)
- [Kawasaki E 9207 01141 C](https://www.thesparktwin.com/en/kawasaki/e-9207-01141-c/)
- [Kawasaki E 9207 01202 B](https://www.thesparktwin.com/en/kawasaki/e-9207-01202-b/)
- [NGK 5111](https://www.thesparktwin.com/en/ngk/5111/)
- [Bosch 7503](https://www.thesparktwin.com/en/bosch/7503/)
- [Bosch 7531](https://www.thesparktwin.com/en/bosch/7531/)
- [Bosch 7597](https://www.thesparktwin.com/en/bosch/7597/)
- [Bosch 7993](https://www.thesparktwin.com/en/bosch/7993/)
- [Bosch 242219536](https://www.thesparktwin.com/en/bosch/242219536/)
- [Bosch 0241245659](https://www.thesparktwin.com/en/bosch/0241245659/)
- [Bosch 0 241 240 532](https://www.thesparktwin.com/en/bosch/0-241-240-532/)
- [Bosch 0 241 240 846](https://www.thesparktwin.com/en/bosch/0-241-240-846/)
- [Bosch 0 241 240 847](https://www.thesparktwin.com/en/bosch/0-241-240-847/)
- [Bosch 0 241 240 874](https://www.thesparktwin.com/en/bosch/0-241-240-874/)
- [Champion 327](https://www.thesparktwin.com/en/champion/327/)
- [Champion 328](https://www.thesparktwin.com/en/champion/328/)
- [Champion 800](https://www.thesparktwin.com/en/champion/800/)
- [Champion 3281](https://www.thesparktwin.com/en/champion/3281/)
- [Denso 4015](https://www.thesparktwin.com/en/denso/4015/)
- [Denso 4020](https://www.thesparktwin.com/en/denso/4020/)
- [Denso 067600-6151](https://www.thesparktwin.com/en/denso/067600-6151/)
- [Autolite 273](https://www.thesparktwin.com/en/autolite/273/)
- [Autolite 275](https://www.thesparktwin.com/en/autolite/275/)
- [Autolite 4113](https://www.thesparktwin.com/en/autolite/4113/)
- [Brisk 1360](https://www.thesparktwin.com/en/brisk/1360/)
- [Brisk 1363](https://www.thesparktwin.com/en/brisk/1363/)
- [Motorcraft 58](https://www.thesparktwin.com/en/motorcraft/58/)
- [Motorcraft 658](https://www.thesparktwin.com/en/motorcraft/658/)
- [ACDelco 42FS](https://www.thesparktwin.com/en/acdelco/42fs/)
- [ACDelco 42-6FS](https://www.thesparktwin.com/en/acdelco/42-6fs/)
- [ACDelco 041LS7WA](https://www.thesparktwin.com/en/acdelco/041ls7wa/)
- [Eyquem 755SX](https://www.thesparktwin.com/en/eyquem/755sx/)
- [Valeo 10NH](https://www.thesparktwin.com/en/valeo/10nh/)
- [Valeo 599323](https://www.thesparktwin.com/en/valeo/599323/)
- [Accel 156](https://www.thesparktwin.com/en/accel/156/)
- [Lodge 2HNY](https://www.thesparktwin.com/en/lodge/2hny/)
- [Marchal 6N](https://www.thesparktwin.com/en/marchal/6n/)
- [Harley Davidson 4-5](https://www.thesparktwin.com/en/harley-davidson/4-5/)
- [Zongshen 1453](https://www.thesparktwin.com/en/zongshen/1453/)
- [Prestolite 14E22](https://www.thesparktwin.com/en/prestolite/14e22/)
- [Prestolite 1,4E+23](https://www.thesparktwin.com/en/prestolite/1-4e-23/)
- [Beck Arnley 1765113](https://www.thesparktwin.com/en/beck-arnley/1765113/)
- [General Motors 5613526](https://www.thesparktwin.com/en/general-motors/5613526/)
- [General Motors 5613527](https://www.thesparktwin.com/en/general-motors/5613527/)
- [General Motors 5613616](https://www.thesparktwin.com/en/general-motors/5613616/)
- [General Motors 5613824](https://www.thesparktwin.com/en/general-motors/5613824/)
- [Harley Davidson 04/05/14](https://www.thesparktwin.com/en/harley-davidson/04-05-14/)
- [Beck Arnley 176-5113](https://www.thesparktwin.com/en/beck-arnley/176-5113/)
- [Beck Arnley 176-9023](https://www.thesparktwin.com/en/beck-arnley/176-9023/)
- [Alfa Romeo 603302211](https://www.thesparktwin.com/en/alfa-romeo/603302211/)
- [Ferrari 603302211](https://www.thesparktwin.com/en/ferrari/603302211/)
- [Lancia 603302211](https://www.thesparktwin.com/en/lancia/603302211/)
- [Maserati 603302211](https://www.thesparktwin.com/en/maserati/603302211/)
- [Lexus 9009822515](https://www.thesparktwin.com/en/lexus/9009822515/)
- [Alfa Romeo 00603302211](https://www.thesparktwin.com/en/alfa-romeo/00603302211/)
- [Fiat 00603302211](https://www.thesparktwin.com/en/fiat/00603302211/)
- [Lancia 00603302211](https://www.thesparktwin.com/en/lancia/00603302211/)
- [Suzuki 09482-00060](https://www.thesparktwin.com/en/suzuki/09482-00060/)
- [Suzuki 09482-00105](https://www.thesparktwin.com/en/suzuki/09482-00105/)
- [Toyota 90098-22515](https://www.thesparktwin.com/en/toyota/90098-22515/)
- [Yamaha 94700-00050](https://www.thesparktwin.com/en/yamaha/94700-00050/)
- [Yamaha 94701-00050](https://www.thesparktwin.com/en/yamaha/94701-00050/)
- [Yamaha 94703-00050](https://www.thesparktwin.com/en/yamaha/94703-00050/)
- [Yamaha 94703-00264](https://www.thesparktwin.com/en/yamaha/94703-00264/)
- [Honda 98076-57711](https://www.thesparktwin.com/en/honda/98076-57711/)
- [Honda 98076-57719](https://www.thesparktwin.com/en/honda/98076-57719/)
- [Honda 98076-57719-01](https://www.thesparktwin.com/en/honda/98076-57719-01/)

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*Source : [Denso 4021](https://www.thesparktwin.com/en/denso/4021/) — TheSparkTwin*