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40063-05B Automatic Primary Chain Tension Adjuster

Fits: Fits '85-'06 Evolution 1340 (except…
Fits '85-'06 Evolution 1340 (except '85-'88 Softail) and Twin Cam powertrain. Requires separate purchase of model-specific primary gasket and seals.
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£107.95

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Stock updated: 10 Apr 2026
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Estimated delivery: 3–15 working days

Part #: 40063-05B

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Specifications

Brand
Harley-Davidson Accessories
Part Number
40063-05B
OEM Reference
Pack Quantity
Each
Category
Tuning
VAT Rate
20%

About This Product

Original Equipment on '06-'17 Dyna and '07-'17 Softail and Touring models, this Automatic Primary Chain Adjuster eliminates the need to manually adjust the primary chain tension at traditional service intervals.

- Requires separate purchase of model-specific primary gasket and seals

Manufacturer part number: 40063-05B.

Fitment

106 models

Fits '85-'06 Evolution 1340 (except '85-'88 Softail) and Twin Cam powertrain. Requires separate purchase of model-specific primary gasket and seals.

Cvo/Custom
19 models
Brand Year Model
Harley-Davidson 2002 CVO ROAD KING (FLHRSEI) FLHRSEI
Harley-Davidson 2003 CVO ROAD KING (FLHRSEI2) FLHRSEI2
Harley-Davidson 2004 CVO ELECTRA GLIDE (FLHTCSE) FLHTCSE
Harley-Davidson 2005 CVO ELECTRA GLIDE (FLHTCSE2) FLHTCSE2
Harley-Davidson 2006 CVO ULTRA CLASSIC (FLHTCUSE) FLHTCUSE
Harley-Davidson 2005 CVO FAT BOY (FLSTFSE) FLSTFSE
Harley-Davidson 2006 CVO FAT BOY (FLSTFSE2) FLSTFSE2
Harley-Davidson 2000 CVO ROAD GLIDE (FLTRSEI) FLTRSEI
Harley-Davidson 2001 CVO ROAD GLIDE (FLTRSEI2) FLTRSEI2
Harley-Davidson 2001 CVO DYNA WIDE GLIDE (FXDWG2) FXDWG2
Harley-Davidson 2002 CVO DYNA WIDE GLIDE (FXDWG3) FXDWG3
Harley-Davidson 1999 CVO DYNA SUPER GLIDE (FXR2) FXR2
Harley-Davidson 1999 CVO DYNA SUPER GLIDE (FXR3) FXR3
Harley-Davidson 2000 CVO DYNA SUPER GLIDE (FXR4) FXR4
Harley-Davidson 2003 CVO SOFTAIL DEUCE (FXSTDSE) FXSTDSE
Harley-Davidson 2004 CVO SOFTAIL DEUCE (FXSTDSE2) FXSTDSE2
Harley-Davidson 2005 CVO V-ROD (VRSCSE) VRSCSE
Harley-Davidson 2006 CVO V-ROD (VRSCSE2) VRSCSE2
Harley-Davidson 2006 CVO VR DESTROYER (VRXSE) VRXSE
Dyna
18 models
Brand Year Model
Harley-Davidson 1995–2005 DYNA SUPER GLIDE (FXD) (FXD)
Harley-Davidson 2006 DYNA 35TH ANV SUPER GLIDE (FXD35) (FXD35)
Harley-Davidson 1990–1992 DYNA STREET BOB (FXDB) (FXDB)
Harley-Davidson 1992 DYNA DAYTONA (FXDB-D) FXDB-D
Harley-Davidson 2006 DYNA STREET BOB (FXDBI) (FXDBI)
Harley-Davidson 1992–2005 DYNA SUPER GLIDE CUSTOM (FXDC) (FXDC)
Harley-Davidson 2005–2006 DYNA SUPER GLIDE CUSTOM (FXDCI) (FXDCI)
Harley-Davidson 2004–2006 DYNA SUPER GLIDE (FXDI) (FXDI)
Harley-Davidson 1993–2005 DYNA LOW RIDER (FXDL) (FXDL)
Harley-Davidson 2004–2006 DYNA LOW RIDER (FXDLI) (FXDLI)
Harley-Davidson 1994–1996 CONV 1GGL DYNA SUPER GLIDE CONVERTIBLE FXDS
Harley-Davidson 1994–2000 DYNA SUPER GLIDE CONVERTIBLE (FXDS CONV) (FXDS CONV)
Harley-Davidson 1993–2000 GGLP DYNA GLIDE CONVERTIBLE (1993) DYNA GLIDE CONVERTIBLE FXDS-CONV GGLP (1993) GGLP FXDS-CONV DYNA GLIDE CONVERTIBLE (FXDS-CONV)
Harley-Davidson 1993–2005 DYNA WIDE GLIDE (FXDWG) (FXDWG)
Harley-Davidson 2004–2006 DYNA WIDE GLIDE (FXDWGI) (FXDWGI)
Harley-Davidson 1999–2005 DYNA SUPER GLIDE SPORT (FXDX) (FXDX)
Harley-Davidson 2004–2005 DYNA SUPER GLIDE SPORT (FXDXI) (FXDXI)
Harley-Davidson 2001–2003 DYNA SUPER GLIDE T-SPORT (FXDXT) (FXDXT)
Fxr
9 models
Brand Year Model
Harley-Davidson 1987–1994 LOW RIDER CUSTOM (FXLR) FXLR
Harley-Davidson 1985–1994 SUPER GLIDE (FXR) FXR
Harley-Davidson 2000 EVLX FXR Super Glide (2000) EVLX FXR3 FXR Super Glide (2000) FXR Super Glide FXR3 EVLX FXR3
Harley-Davidson 1985–1987 EJLG FXR Custom (1986) EJLG FXRC FXR Custom (1986) FXR Custom FXRC EJLG FXRC
Harley-Davidson 1986 SUPER GLIDE DELUXE (FXRD) FXRD
Harley-Davidson 1985–1992 LOW RIDER (FXRS) FXRS
Harley-Davidson 1989–1993 LOW RIDER CONVERTIBLE (FXRS CONV) FXRS CONV
Harley-Davidson 1985–1993 LOW RIDER SPORT EDITION (FXRS-SP) FXRS-SP
Harley-Davidson 1985–1992 SPORT GLIDE (FXRT) FXRT
Softail
25 models
Brand Year Model
Harley-Davidson 1989–2006 HERITAGE SOFTAIL (FLST) (FLST)
Harley-Davidson 1989–2006 HERITAGE SOFTAIL CLASSIC (FLSTC) (FLSTC)
Harley-Davidson 2001–2006 HERITAGE SOFTAIL CLASSIC (FLSTCI) (FLSTCI)
Harley-Davidson 2005–2006 HERITAGE SOFTAIL CLASSIC SHRINE (FLSTCI SHRINE) (FLSTCI SHRINE)
Harley-Davidson 1990–2006 FAT BOY (FLSTF) (FLSTF)
Harley-Davidson 2001–2006 FAT BOY (FLSTFI) (FLSTFI)
Harley-Davidson 2005–2006 FAT BOY SHRINE (FLSTFI SHRINE) (FLSTFI SHRINE)
Harley-Davidson 2005 FAT BOY ANV (FLSTFI-ANN) (FLSTFI-ANN)
Harley-Davidson 2006 HERITAGE SOFTAIL (FLSTI) (FLSTI)
Harley-Davidson 1993–2006 SOFTAIL DELUXE (FLSTN) (FLSTN)
Harley-Davidson 2005–2006 SOFTAIL DELUXE (FLSTNI) (FLSTNI)
Harley-Davidson 1996–2003 HERITAGE SPRINGER (FLSTS) (FLSTS)
Harley-Davidson 2005–2006 SPRINGER CLASSIC (FLSTSC) (FLSTSC)
Harley-Davidson 2005–2006 SPRINGER CLASSIC (FLSTSCI) (FLSTSCI)
Harley-Davidson 2001–2003 HERITAGE SPRINGER (FLSTSI) (FLSTSI)
Harley-Davidson 1989–2006 SOFTAIL STANDARD (FXST) (FXST)
Harley-Davidson 1998–2006 NIGHT TRAIN (FXSTB) (FXSTB)
Harley-Davidson 2001–2006 NIGHT TRAIN (FXSTBI) (FXSTBI)
Harley-Davidson 1989–2000 SOFTAIL CUSTOM (FXSTC) (FXSTC)
Harley-Davidson 2000–2006 SOFTAIL DEUCE (FXSTD) (FXSTD)
Harley-Davidson 2001–2006 SOFTAIL DEUCE (FXSTDI) (FXSTDI)
Harley-Davidson 2001–2006 SOFTAIL STANDARD (FXSTI) (FXSTI)
Harley-Davidson 1989–2006 SPRINGER SOFTAIL (FXSTS) (FXSTS)
Harley-Davidson 1995–1997 SPRINGER SOFTAIL (FXSTSB) (FXSTSB)
Harley-Davidson 2001–2006 SPRINGER SOFTAIL (FXSTSI) (FXSTSI)
Super Glide
2 models
Brand Year Model
Harley-Davidson 1997–2000 CONV 1GGL DYNA SUPER GLIDE CONVERTIBLE FXDS
Harley-Davidson 1993 CONV 1EML SUPER GLIDE CONVERTIBLE FXRS
Touring
33 models
Brand Year Model
Harley-Davidson 1985 HYDRA-GLIDE (1955) HYDRA-GLIDE FLH (FLH)
Harley-Davidson 1993–2006 ROAD KING (FLHR) (FLHR)
Harley-Davidson 1998–2006 ROAD KING CLASSIC (FLHRCI) (FLHRCI)
Harley-Davidson 1996–2006 ROAD KING (FLHRI) (FLHRI)
Harley-Davidson 2002–2006 ROAD KING SHRINE (FLHRI SHRINE) (FLHRI SHRINE)
Harley-Davidson 2004–2006 ROAD KING CUSTOM (FLHRS) (FLHRS)
Harley-Davidson 2004–2006 ROAD KING CUSTOM (FLHRSI) (FLHRSI)
Harley-Davidson 1987–1994 ELECTRA GLIDE SPORT (FLHS) FLHS
Harley-Davidson 1986–2006 ELECTRA GLIDE STANDARD (FLHT) (FLHT)
Harley-Davidson 1985–2005 ELECTRA GLIDE CLASSIC (FLHTC) (FLHTC)
Harley-Davidson 1985–2002 ELECTRA GLIDE CLASSIC SHRINE (FLHTC SHRINE) (FLHTC SHRINE)
Harley-Davidson 1985–1989 ELECTRA GLIDE CLASSIC WITH SIDECAR (FLHTC WITH SIDECAR) FLHTC WITH SIDECAR
Harley-Davidson 1996–2006 ELECTRA GLIDE CLASSIC (FLHTCI) (FLHTCI)
Harley-Davidson 2003–2005 FLHTCI SHRINE (FLHTCI SHRINE) (FLHTCI SHRINE)
Harley-Davidson 1989–1998 ULTRA CLASSIC (FLHTCU) (FLHTCU)
Harley-Davidson 1989–1995 ULTRA CLASSIC SHRINE (FLHTCU SHRINE) (FLHTCU SHRINE)
Harley-Davidson 1989–1995 ULTRA CLASSIC WITH SIDECAR (JAPAN) (FLHTCU WITH SIDECAR) (FLHTCU WITH SIDECAR)
Harley-Davidson 1995–2006 ULTRA CLASSIC (FLHTCUI) (FLHTCUI)
Harley-Davidson 1996–2006 ULTRA CLASSIC SHRINE (FLHTCUI SHRINE) (FLHTCUI SHRINE)
Harley-Davidson 1996–2006 ULTRA CLASSIC WITH SIDECAR (JAPAN) (FLHTCUI WITH SIDECAR) (FLHTCUI WITH SIDECAR)
Harley-Davidson 2003–2006 ELECTRA GLIDE STANDARD (FLHTI) (FLHTI)
Harley-Davidson 1985–2006 TOURING STREET GLIDE (FLHX) (FLHX)
Harley-Davidson 2006 STREET GLIDE (FLHXI) (FLHXI)
Harley-Davidson 1986 Classic Tour Glide Classic (1984) Tour Glide Classic FLT Classic FLT
Harley-Davidson 1985–1992 5G05 Touring Tour Glide Classic (1980) 5G05 FLTC Touring Tour Glide Classic (1980) Touring Tour Glide Classic FLTC 5G05 FLTC
Harley-Davidson 1986–1991 TOUR GLIDE CLASSIC SHRINE (FLTC SHRINE) FLTC SHRINE
Harley-Davidson 1985–1989 TOUR GLIDE CLASSIC WITH SIDECAR (FLTC WITH SIDECAR) FLTC WITH SIDECAR
Harley-Davidson 1989–1995 TOUR GLIDE ULTRA CLASSIC (FLTCU) FLTCU
Harley-Davidson 1989–1992 TOUR GLIDE ULTRA CLASSIC SHRINE (FLTCU SHRINE) FLTCU SHRINE
Harley-Davidson 1989 TOUR GLIDE ULTRA CLASSIC WITH SIDECAR (FLTCU WITH SIDECAR) FLTCU WITH SIDECAR
Harley-Davidson 1996 TOUR GLIDE ULTRA CLASSIC (FLTCUI) FLTCUI
Harley-Davidson 1998–2003 ROAD GLIDE (FLTR) (FLTR)
Harley-Davidson 1998–2006 ROAD GLIDE (FLTRI) (FLTRI)

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