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FEULING OIL PUMP CORP.

Tester Block - Piston Cooling/Jet Pressure - Twin Cam/M8

Part # 3801-0448

$69.95
In Stock
  • 60-day returns
  • Free shipping over $100
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Confirmed fit for 722 motorcycle configurations across Harley-Davidson, model years 1999–2024.

YearsMake & Model
1999-2006 Harley-DavidsonElectra Glide Police FLHTP
2000-2003 Harley-DavidsonWide Glide EFI FXDWGI
2014-2024 Harley-DavidsonRoad King Police FLHP
2009-2013 Harley-DavidsonRoad King Classic FLHRC
1999 Harley-DavidsonRoad King EFI FLHR
2010-2012 Harley-DavidsonSoftail Standard EFI FXSTI
2000-2002 Harley-DavidsonElectra Glide Standard EFI FLHTI
1999-2006 Harley-DavidsonElectra Glide Ultra Classic FLHTCU
2006 Harley-DavidsonLow Rider FXDL
2007, 2010 Harley-DavidsonSoftail Rocker FXCW
2014 Harley-DavidsonElectra Glide Ultra Classic Low FLHTCUL
2006 Harley-DavidsonElectra Glide Classic FLHTC
2005 Harley-Davidson15th Anniversary Fat Boy FLSTF
2007 Harley-DavidsonSoftail Rocker C FXCWC
2009 Harley-DavidsonFat Boy Lo FLSTFB
2022 Harley-DavidsonSoftail Street Bob FXBB
2014 Harley-DavidsonCVO Road King FLHRSE
2020-2024 Harley-DavidsonFLTRK Road Glide Limited
2015-2024 Harley-DavidsonFLHTK Ultra Limited
2015-2019 Harley-DavidsonFLHTKL Ultra Limited Low
2014-2023 Harley-DavidsonFLHXS Street Glide Special
2015-2023 Harley-DavidsonFLTRXS Road Glide Special
1999-2009, 2019-2022 Harley-DavidsonFLHT Electra Glide Standard
2022-2023 Harley-DavidsonFLHXST Street Glide ST
2014-2021 Harley-DavidsonFLHTKSE CVO Limited
2006-2023 Harley-DavidsonFLHX Street Glide
2023 Harley-DavidsonFLHFB Electra Glide Highway King
1999-2022 Harley-DavidsonFLHR Road King
2010, 2015-2022 Harley-DavidsonFLHXSE CVO Street Glide
2022 Harley-DavidsonFLTRKSE CVO Road Glide Limited
2022-2023 Harley-DavidsonFLTRXST Road Glide ST
2017-2024 Harley-DavidsonFLHRXS Road King Special
2015, 2017-2023 Harley-DavidsonFLTRX Road Glide
2010-2014 Harley-DavidsonFLHTK Electra Glide Ultra Limited
2012, 2018-2022 Harley-DavidsonFLTRXSE CVO Road Glide
2021 Harley-DavidsonFLH Electra Glide Revival
1999-2024 Harley-DavidsonElectra Glide Police FLHTPI
2007-2019 Harley-DavidsonFLHTCU Electra Glide Ultra Classic
2011-2013, 2016-2019 Harley-DavidsonFLTRU Road Glide Ultra
1999-2010, 2016 Harley-DavidsonFLTR Road Glide
2012-2016 Harley-DavidsonFLD Switchback
2012 Harley-DavidsonFLHTCUSE7 CVO Ultra Classic Electra Glide
2012-2017 Harley-DavidsonFLS Softail Slim
2011 Harley-DavidsonFLHXSE2 CVO Street Glide
2010-2017 Harley-DavidsonFLSTFB Fat Boy Lo
2008-2017 Harley-DavidsonFXDF Fat Bob
2011-2013 Harley-DavidsonFXS Blackline
2004-2007 Harley-DavidsonFLHRS Road King Custom
2004-2006 Harley-DavidsonFLHRSI Road King Custom
2004 Harley-DavidsonFLHTCSE Screamin Eagle Electra Glide
2004-2005 Harley-DavidsonFXDXI Dyna Super Glide Sport
2000-2007 Harley-DavidsonFXSTD Softail Deuce
2003-2004 Harley-DavidsonFXSTDSE Screamin Eagle Softail Deuce
1999-2006 Harley-DavidsonFLHRCI Road King Classic
1999-2005 Harley-DavidsonFXDX Dyna Super Glide Sport
2001-2006 Harley-DavidsonFXSTDI Softail Deuce
1999-2005, 2007-2013 Harley-DavidsonFLHTC Electra Glide Classic
1999-2006 Harley-DavidsonFLHTCI Electra Glide Classic
1999-2006 Harley-DavidsonFLHTCUI Electra Glide Ultra Classic
2000-2006 Harley-DavidsonFLHRI Road King
2001-2006 Harley-DavidsonFLSTCI Heritage Softail Classic
2001-2006 Harley-DavidsonFLSTFI Fat Boy
2001-2003 Harley-DavidsonFLSTSI Heritage Springer
1999-2006 Harley-DavidsonFLTRI Road Glide
2001 Harley-DavidsonFXDWG2 CVO Dyna Wide Glide
2001-2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport
2001-2006 Harley-DavidsonFXSTBI Night Train
2001-2006 Harley-DavidsonFXSTSI Springer Softail
2010 Harley-DavidsonFLSTSE CVO Softail Convertible
2010 Harley-DavidsonFXDFSE2 CVO Dyna Fat Bob
2009 Harley-DavidsonFLTRSE3 CVO Road Glide
2008-2009 Harley-DavidsonFXCW Rocker
2009 Harley-DavidsonFXDFSE CVO Dyna Fat Bob
2009 Harley-DavidsonFXSTSSE3 CVO Softail Springer
2008 Harley-DavidsonFLHRSE4 Screamin Eagle Road King
2008 Harley-DavidsonFLHTCUSE3 Screamin Eagle Ultra Classic Electra Glide
2008-2011 Harley-DavidsonFLSTSB Cross Bones
2008 Harley-DavidsonFXSTSSE2 Screamin Eagle Softail Springer
2012 Harley-DavidsonFLSTSE3 CVO Softail Convertible
2011 Harley-DavidsonFLHTCUSE6 CVO Ultra Classic Electra Glide
2011 Harley-DavidsonFLSTSE2 CVO Softail Convertible
2008-2011 Harley-DavidsonFXCWC Rocker C
2013 Harley-DavidsonFLHTCUSE8 CVO Ultra Classic Electra Glide
2013-2017 Harley-DavidsonFXSB Breakout
2013-2014 Harley-DavidsonFXSBSE CVO Breakout
2003 Harley-DavidsonFLHRSEI2 Screamin Eagle Road King 2
2002 Harley-DavidsonFLHRSEI Screamin Eagle Road King
2002 Harley-DavidsonFXDWG3 CVO Dyna Wide Glide
2014-2015 Harley-DavidsonFLSTNSE CVO Softail Deluxe
2013 Harley-DavidsonFLHRSE5 CVO Road King
2007 Harley-DavidsonFLHRSE3 Screamin Eagle Road King
2007 Harley-DavidsonFLHTCUSE2 Screamin Eagle Ultra Classic Electra Glide
2005-2007 Harley-DavidsonFLSTSC Softail Springer Classic
2005-2006 Harley-DavidsonFLSTSCI Softail Springer Classic
2005-2006 Harley-DavidsonFXDCI Super Glide Custom
2008 Harley-DavidsonFXDSE2 Screamin Eagle Dyna
2004-2006 Harley-DavidsonFXDI Dyna Super Glide
2003-2006 Harley-DavidsonFLHTI Electra Glide Standard
2010 Harley-DavidsonFLHTCUSE5 CVO Ultra Classic Electra Glide
2009 Harley-DavidsonFLHTCUSE4 CVO Ultra Classic Electra Glide
2016-2017 Harley-DavidsonFXDLS Low Rider S
2005-2006 Harley-DavidsonFLSTFSE Screamin Eagle Fat Boy
2005, 2007-2014 Harley-DavidsonFXDC Super Glide Custom
2004-2006 Harley-DavidsonFXDLI Dyna Low Rider
2016-2017 Harley-DavidsonFLSS Softail Slim S
2016-2017 Harley-DavidsonFXSE CVO Pro Street Breakout
2007 Harley-DavidsonFXDSE Screamin Eagle Dyna
2007 Harley-DavidsonFXSTSSE Screamin Eagle Softail Springer
2016-2017 Harley-DavidsonFLSTFBS Fat Boy S
2006 Harley-DavidsonFLHTCUSE Screamin Eagle Ultra Classic Electra Glide
2006 Harley-DavidsonFLHXI Street Glide
2006 Harley-DavidsonFLSTI Heritage Softail
2005-2017 Harley-DavidsonFLSTN Softail Deluxe
2006-2017 Harley-DavidsonFXDB Street Bob
2006 Harley-DavidsonFXDI35 Dyna 35th Anniversary Super Glide
2005 Harley-DavidsonFLHTCSE2 Screamin Eagle Electra Glide 2
2005-2006 Harley-DavidsonFLSTNI Softail Deluxe
2000 Harley-DavidsonFLTRSEI Screamin Eagle Road Glide
2000-2017 Harley-DavidsonFLSTC Heritage Softail Classic
2000-2017 Harley-DavidsonFLSTF Fat Boy
1999-2008, 2010-2017 Harley-DavidsonFXDWG Dyna Wide Glide
2007-2013 Harley-DavidsonFLHRC Road King Classic
1999-2010 Harley-DavidsonFXD Dyna Super Glide
1999-2005, 2007-2009, 2014-2017 Harley-DavidsonFXDL Dyna Low Rider
2000-2009 Harley-DavidsonFXSTB Night Train
2007-2010 Harley-DavidsonFXSTC Softail Custom
2000-2009 Harley-DavidsonFXST Softail Standard
2006 Harley-DavidsonFLST Heritage Softail
2004-2006 Harley-DavidsonFXDWGI Dyna Wide Glide
2001-2006 Harley-DavidsonFXSTI Softail Standard
2000-2006 Harley-DavidsonFXSTS Springer Softail
2000-2003 Harley-DavidsonFLSTS Heritage Springer
1999-2000 Harley-DavidsonFXDS-Conv Dyna Convertible
2015-2016 Harley-DavidsonFLHTCUL Electra Glide Ultra Classic Low
2012 Harley-DavidsonFLHXSE3 CVO Street Glide
2022 Harley-DavidsonFXRST Low Rider El Diablo 117
2022 Harley-DavidsonFXLRST Low Rider ST 117
2018-2022 Harley-DavidsonFLHCS Heritage Classic 114
2018-2021 Harley-DavidsonFLSL Softail Slim 107
2018-2020 Harley-DavidsonFXBB Street Bob 107
2018-2019 Harley-DavidsonFXFB Fat Bob 107
2018-2021 Harley-DavidsonFXFBS Fat Bob 114
2020-2021 Harley-DavidsonFXLRS Low Rider S 114
2020-2022 Harley-DavidsonFXST Softail Standard 107
2022 Harley-DavidsonFXLRS Low Rider S 117
2011-2013 Harley-DavidsonFLTRX Road Glide Custom
2013 Harley-DavidsonFLTRXSE2 CVO Road Glide Custom
2011, 2015-2016 Harley-DavidsonFLTRUSE CVO Road Glide Ultra
2018-2019 Harley-DavidsonFLFB Fat Boy 107
2018-2022 Harley-DavidsonFLFBS Fat Boy 114
2018-2019 Harley-DavidsonFXBR Breakout 107
2018-2020 Harley-DavidsonFXLR Low Rider 107
2021-2022 Harley-DavidsonFXBBS Street Bob 114
2018-2020 Harley-DavidsonFLDE Deluxe 107
2018-2021 Harley-DavidsonFLHC Heritage Classic 107
2018-2021 Harley-DavidsonFLSB Sport Glide 107
2018-2020 Harley-DavidsonFXBRS Breakout 114
2019-2020 Harley-DavidsonFXDRS FXDR 114
2001 Harley-DavidsonFLTRSEI2 Screamin Eagle Road Glide 2

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Overview

The FEULING OIL PUMP CORP. 3801-0448: Tester Block - Piston Cooling/Jet Pressure - Twin Cam/M8. Confirmed fit for 722 motorcycle configurations across Harley-Davidson, model years 1999–2024. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.

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