£81.23

K&N HA-7521 Replacement Air Filter

Red, HA-7521

Price data last checked 88 day(s) ago - refreshing...

View at Amazon

Price History & Forecast

Last 3 days • 3 data points (No recent data available)

Historical
Generating forecast...
£81.23 £77.17 £78.79 £80.42 £82.04 £83.67 £85.29 23 January 2026 23 January 2026 24 January 2026 24 January 2026 25 January 2026

Price Distribution

Price distribution over 3 days • 1 price levels

Days at Price
3 days 0 1 2 2 3 £81 Days at Price

Price Analysis

Most common price: £81 (3 days, 100.0%)

Price range: £81 - £81

Price levels: 1 different prices over 3 days

Description

K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance, while providing excellent engine protection for your motorcycle.

Key Features

Designed to provide increased horsepower and torque

Pleated media provides a large filtration area offering long service intervals

Multiple layers of woven cotton gauze media offers excellent filtration

Application specific base seal and sealing bead

Made in the USA for over 40 years

Product Specifications

Brand
K&N
Model
HA-7521
Colour
Red
Format
Automotive
Domain
Amazon UK
Listed Since
02 July 2024

Barcode

No barcode data available

Similar Products You Might Like

K&N HA-7523 Replacement Air Filter
98% match

K&N HA-7523 Replacement Air Filter

K&N

£61.19 26 Jan 2026
K&N YA-1022 Replacement Air Filter
96% match

K&N YA-1022 Replacement Air Filter

K&N

£61.19 23 Jan 2026
K&N YA-1020 Replacement Air Filter
95% match

K&N YA-1020 Replacement Air Filter

K&N

£61.19 14 Jan 2026
K&N SU-8023 Replacement Air Filter
95% match

K&N SU-8023 Replacement Air Filter

K&N

£63.12 10 Mar 2026
K&N Filtro De Air HD-7517
94% match

K&N Filtro De Air HD-7517

K&N

£80.89 31 Jan 2026
K&N HA-5019 Replacement Air Filter
94% match

K&N HA-5019 Replacement Air Filter

K&N

£66.36 18 Mar 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Compatible with select Honda Models (see product description for list), HA-3521
94% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Compatible with select Honda Models (see product description for list), HA-3521

K&N

£67.28 27 Jan 2026
K&N Engine Air Filter: High Performance, Powersport Air Filter: Fits 2012-2019 HONDA (NC750D Integra, NC750S, NC750X, CTX700 DCT ABS, CTX700N DCT, NC750X DCT, CTX700, other select models) HA-7012
94% match

K&N Engine Air Filter: High Performance, Powersport Air Filter: Fits 2012-2019 HONDA (NC750D Integra, NC750S, NC750X, CTX700 DCT ABS, CTX700N DCT, NC750X DCT, CTX700, other select models) HA-7012

K&N

£55.75 30 Jan 2026
K&N HA-5221 Replacement Air Filter
94% match

K&N HA-5221 Replacement Air Filter

K&N

£55.02 18 Feb 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2000-2012 HONDA/GARELLI (PS150i, SH150i, NES125, NES150, SES125, SES150, TM125T XO, and other select models) HA-1510
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2000-2012 HONDA/GARELLI (PS150i, SH150i, NES125, NES150, SES125, SES150, TM125T XO, and other select models) HA-1510

K&N

£78.56 13 Dec 2025
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 1982-1986 HONDA (VF700C Magna, VF750C Magna) HA-1210
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 1982-1986 HONDA (VF700C Magna, VF750C Magna) HA-1210

K&N

£54.56 27 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2004-2019 HONDA (VT750C, Shadow Aero, Phantom, ABS, Spirit, Spirit ABS, C2B Shadow Phantom, RS Shadow, C2 Shadow) HA-7504
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2004-2019 HONDA (VT750C, Shadow Aero, Phantom, ABS, Spirit, Spirit ABS, C2B Shadow Phantom, RS Shadow, C2 Shadow) HA-7504

K&N

£61.19 01 Apr 2026
K&N HA-1019 Replacement Air Filter
93% match

K&N HA-1019 Replacement Air Filter

K&N

£98.41 28 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 1998-2007 HONDA (VT750DC Shadow Spirit, VT750C/CD Shadow ACE, VT750 C2 Shadow, VT750CD Shadow Deluxe) HA-7500
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 1998-2007 HONDA (VT750DC Shadow Spirit, VT750C/CD Shadow ACE, VT750 C2 Shadow, VT750CD Shadow Deluxe) HA-7500

K&N

£60.96 06 Feb 2026
K&N Engine Air Filter: High Performance, Powersport Air Filter: Fits 2013 KAWASAKI (KRF750 Teryx FI 4x4, KRF750 Teryx FI 4x4 LE, KRF750 Teryx FI 4x4 LE Camo, KRF750 Teryx FI 4x4 Sport) KA-7513
93% match

K&N Engine Air Filter: High Performance, Powersport Air Filter: Fits 2013 KAWASAKI (KRF750 Teryx FI 4x4, KRF750 Teryx FI 4x4 LE, KRF750 Teryx FI 4x4 LE Camo, KRF750 Teryx FI 4x4 Sport) KA-7513

K&N

£88.90 09 Jan 2026
K&N HA-1120 Replacement Air Filter, Red
93% match

K&N HA-1120 Replacement Air Filter, Red

K&N

£115.60 08 Feb 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2007-2013 HONDA (TRX420FA, TRX420FE, TRX420FM, TRX420FPA, TRX420FPE, TRX420FPM, TRX420TE, TRX420TM) HA-4207
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2007-2013 HONDA (TRX420FA, TRX420FE, TRX420FM, TRX420FPA, TRX420FPE, TRX420FPM, TRX420TE, TRX420TM) HA-4207

K&N

£80.05 23 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2001-2019 HONDA (CB1100 EX, CB1100 RS, CB1100, CB1100 ABS, CB1100 DLX, CB1300) HA-1301
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2001-2019 HONDA (CB1100 EX, CB1100 RS, CB1100, CB1100 ABS, CB1100 DLX, CB1300) HA-1301

K&N

£60.53 22 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 1991-1994 HONDA (CBR600F2) HA-6091
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 1991-1994 HONDA (CBR600F2) HA-6091

K&N

£61.19 02 Mar 2026
K&N Engine Air Filter: High Performance, Powersport Air Filter: Fits 1975-1978 HARLEY DAVIDSON (FLH Electra Glide, FLH Electra Glide Classic, FLHS Sport Glide, XLCH1000 Sportster, XLH1000) HD-2075
93% match

K&N Engine Air Filter: High Performance, Powersport Air Filter: Fits 1975-1978 HARLEY DAVIDSON (FLH Electra Glide, FLH Electra Glide Classic, FLHS Sport Glide, XLCH1000 Sportster, XLH1000) HD-2075

K&N

£76.52 04 Feb 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2001-2019 HONDA (TRX250X, TRX250TE Recon ES, TRX250TM Recon, TRX250EX) HA-2501
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2001-2019 HONDA (TRX250X, TRX250TE Recon ES, TRX250TM Recon, TRX250EX) HA-2501

K&N

£69.02 13 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2001-2017 HONDA (GL1800, Gold Wing, F6B Deluxe, AC, ACN XM, ABS, Airbag, F6B, Valkyrie, ABS, Gold Wing PA) HA-1801
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2001-2017 HONDA (GL1800, Gold Wing, F6B Deluxe, AC, ACN XM, ABS, Airbag, F6B, Valkyrie, ABS, Gold Wing PA) HA-1801

K&N

£54.32 26 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2002-2008 HONDA (VTX1800C, VTX1800F, VTX1800N, VTX1800R, VTX1800T, VTX1800S, VTX1800 Retro) HA-1802
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2002-2008 HONDA (VTX1800C, VTX1800F, VTX1800N, VTX1800R, VTX1800T, VTX1800S, VTX1800 Retro) HA-1802

K&N

£61.19 22 Jan 2026
K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2002-2018 HONDA (ST1300, CTX1300, CTX1300 Deluxe, ST1300 ABS, ST1300 Pan European) HA-1302
93% match

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2002-2018 HONDA (ST1300, CTX1300, CTX1300 Deluxe, ST1300 ABS, ST1300 Pan European) HA-1302

K&N

£75.56 24 Jan 2026