Primary
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Out of stock
Harddrive - 37-084 - Inspection Cover Chrome 91-03 Xl
HardDrive
$57.95Harddrive - 37-084 - Inspection Cover Chrome 91-03 XlFeaturesGlobal Trade Item Number: 191361279607These new primary cover inspection covers are made from die-cast aluminumHardware kit included (gasket NOT included)Sold eachFitment1996-2003Harley...$57.95 -
Out of stock
Gardnerwestcott - P-10-48-08 - Primary Derby Cover Hardware Flt M8
Gardner-Westcott
$75.95Gardnerwestcott - P-10-48-08 - Primary Derby Cover Hardware Flt M8FeaturesEngine/trans. hardware kitsShow ChromeFitment2017-2019Harley DavidsonFLRT Freewheeler2017-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited Low2017-2019Harley DavidsonFLTRXS...$75.95 -
Out of stock
Diamond Chain - DMD-428-2RV-76NRI - Primary Chain 76 Link Flt/Fxr 99-06
Diamond Chain
$192.95Diamond Chain - DMD-428-2RV-76NRI - Primary Chain 76 Link Flt/Fxr 99-06FeaturesEndless link primary chainsMade in the USAFitment2001Harley DavidsonFLTRSE CVO Road Glide1999-2006Harley DavidsonFLTR Road Glide1999-2000Harley DavidsonFXRSE CVO FXR$192.95 -
Out of stock
Diamond Chain - DMD-428-2RV-86NRI - Primary Chain 86 Link Flh/Flt 07-20
Diamond Chain
$218.95Diamond Chain - DMD-428-2RV-86NRI - Primary Chain 86 Link Flh/Flt 07-20FeaturesEndless link primary chainsMade in the USAFitment2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic Low2015-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited...$218.95 -
Out of stock
V-Twin - 43-1050 - Inner Primary Cover Chrome
Motorshop
$373.14V-Twin - 43-1050 - Inner Primary Cover ChromeDescriptionChrome inner primary cover only, for 5-speed.Cover includes 2" bolt hole spring at the transmission mount and a shifter shaft hole. Order bearing, bushing, and seal separately. Fits:FXD...$373.14 -
Out of stock
V-Twin - 43-1002 - Primary Drive Assembly Kit
V-Twin Mfg
$2,219.35V-Twin - 43-1002 - Primary Drive Assembly KitDescriptionPrimary drive assembly kit includes clutch kit, chain, chrome inner and outer primary covers with all bushings, seals, spacers, gaskets, and mount screws including the starter jack shaft assembly...$2,219.35 -
Out of stock
V-Twin - 43-1000 - Primary Drive Assembly Kit
V-Twin Mfg
$1,653.80V-Twin - 43-1000 - Primary Drive Assembly KitDescriptionPrimary drive assembly kit includes clutch kit, chain, chrome inner and outer primary covers with all bushings, seals, spacers, gaskets, and mount screws including the starter jack shaft assembly...$1,653.80 -
Out of stock
V-Twin - 43-0988 - Replica Inner Primary Cover
Motorshop
$467.70V-Twin - 43-0988 - Replica Inner Primary CoverDescriptionReplica inner primary cover features a natural cast aluminum finish and includes the transmission mainshaft bearing.*NOTE: Cast inner primary cover is slightly larger than the die cast replacements...$467.70 -
Out of stock
V-Twin - 43-0675 - Chrome FX Inner Primary Cover
V-Twin Mfg
$328.68V-Twin - 43-0675 - Chrome FX Inner Primary CoverDescriptionOne of our most popular items is this chrome inner primary cover with the hole for the mid shift control lever as OEM. It features a 9-hole pattern for the outer cover to bolt to. Includes sealed...$328.68 -
Out of stock
V-Twin - 43-0673 - Inner and Outer Primary Cover Set Chrome
V-Twin Mfg
$207.80V-Twin - 43-0673 - Inner and Outer Primary Cover Set ChromeDescriptionInner and outer primary cover set features a chrome finish.Bare chrome covers with cosmetic imperfections. *NOTE: Must order hardware, gaskets, bushings and mount screws separately. ...$207.80 -
Out of stock
V-Twin - 43-0562 - Vented Outer Primary Cover Kit
V-Twin Mfg
$252.34V-Twin - 43-0562 - Vented Outer Primary Cover KitDescriptionOuter primary cover kit include vented inspection and derby covers with screws.*Note: UPS may consider this part as packaged "oversize" for shipment, as compared to the actual weight, which will...$252.34 -
Out of stock
V-Twin - 43-0354 - Polished Outer Primary Cover Kit
Motorshop
$233.55V-Twin - 43-0354 - Polished Outer Primary Cover KitDescriptionPolished outer primary cover kit includes primary cover with footboard tab, allen screws, outer cover starter bearing and gaskets for derby, inspection and outer cover.Cover is for FLH models...$233.55 -
Out of stock
V-Twin - 43-0352 - Natural Inner Primary Housing Assembly
Motorshop
$557.26V-Twin - 43-0352 - Natural Inner Primary Housing AssemblyDescriptionNatural inner primary housing assembly for 4-speed models includes inner cover with hole for mid-shift control lever, as OEM, bearing, seal, chain tensioner, detent plate, vent tube,...$557.26 -
Out of stock
V-Twin - 43-0289 - Chrome Outer Primary Cover Kit
V-Twin Mfg
$351.52V-Twin - 43-0289 - Chrome Outer Primary Cover KitDescriptionChrome outer primary cover kit Fits:FXST 2007-2017FXDWG 2006-2017Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog Pages438 Replacement Items43-0360 - Chrome...$351.52 -
Out of stock
V-Twin - 43-0287 - Chrome Outer Primary Cover
Motorshop
$236.01V-Twin - 43-0287 - Chrome Outer Primary CoverDescriptionChrome Perma brand outer primary cover*Note: UPS may consider this part as packaged "oversize" for shipment, as compared to the actual weight, which will result in higher shipping costs. Fits:XL...$236.01 -
Out of stock
V-Twin - 43-0284 - Chrome Outer Primary Cover Kit
V-Twin Mfg
$349.73V-Twin - 43-0284 - Chrome Outer Primary Cover KitDescriptionChrome outer primary cover kit includes derby and inspection covers, allen screws, and gasket.*Note: UPS may consider this part as packaged "oversize" for shipment, as compared to the actual...$349.73 -
Out of stock
V-Twin - 43-0275 - Chrome Outer Primary Cover Kit
V-Twin Mfg
$294.25V-Twin - 43-0275 - Chrome Outer Primary Cover KitDescriptionChrome outer primary cover kit includes cover, allen screws, inspection covers and gasket.*Note: UPS may consider this part as packaged "oversize" for shipment, as compared to the actual weight,...$294.25 -
Out of stock
V-Twin - 43-0268 - Chrome Inner Primary Cover Assembly
Motorshop
$416.53V-Twin - 43-0268 - Chrome Inner Primary Cover AssemblyDescriptionChrome inner primary cover assembly includes bearings, bushings and seals installed.Includes Inner primary cover, bearing kit, casing pin, starter shaft bushing. ...$416.53 -
Out of stock
V-Twin - 43-0265 - Chrome Outer Primary Cover Kit
V-Twin Mfg
$405.09V-Twin - 43-0265 - Chrome Outer Primary Cover KitDescriptionChrome outer primary cover kit comes with 5-hole derby gaskets.*Note: UPS may consider this part as packaged "oversize" for shipment, as compared to the actual weight, which will result in...$405.09 -
Out of stock
V-Twin - 43-0254 - Alternator Chrome Primary Cover Kit
V-Twin Mfg
$307.66V-Twin - 43-0254 - Alternator Chrome Primary Cover KitDescriptionChrome alternator primary cover kit includes outer primary cover with bearing installed, inspection cover, clutch adjuster cover, gasket, and allen screw set.Cover fits 1984-1985 alternator...$307.66 -
Out of stock
V-Twin - 43-0236 - Chrome Outer Primary Cover Kit
V-Twin Mfg
$369.34V-Twin - 43-0236 - Chrome Outer Primary Cover KitDescriptionChrome outer primary cover kit includes cover, allen screw set, inspection covers and gasket.*Note: UPS may consider this part as packaged "oversize" for shipment, as compared to the actual...$369.34 -
Out of stock
V-Twin - 43-0234 - Chrome Outer Primary Cover Kit
V-Twin Mfg
MSRP: $266.11$251.47V-Twin - 43-0234 - Chrome Outer Primary Cover KitDescriptionChrome outer primary cover kit includes cover, allen screw set, inspection cover and gasket. Also includes seals for the inspection cover.*Note: UPS may consider this part as packaged "oversize"...MSRP: $266.11$251.47 -
Out of stock
V-Twin - 43-0217 - Chrome Outer Primary Cover Kit
V-Twin Mfg
$299.68V-Twin - 43-0217 - Chrome Outer Primary Cover KitDescriptionChrome 4-speed outer primary cover kit includes primary cover, allen screws, outer cover starter bearing and gaskets for derby, inspection and outer cover. Cover is for 9 hole with rear belt...$299.68 -
Out of stock
V-Twin - 43-0046 - Outer Primary Cover Kit Chrome
Motorshop
$425.66V-Twin - 43-0046 - Outer Primary Cover Kit ChromeDescriptionChrome outer primary cover kit includes chrome derby cover and inspection cover, starter shaft extension, gaskets and screws.*Note: UPS may consider this part as packaged "oversize" for...$425.66 -
Out of stock
V-Twin - 42-1213 - Raw Inner Primary Cover
V-Twin Mfg
$101.96V-Twin - 42-1213 - Raw Inner Primary CoverDescriptionInner primary cover with raw finish.Cover is shipped with raw finish and oiled. Installer or restorer may modify or add holes and indents for breather and drain tube as required for each application...$101.96 -
Out of stock
V-Twin - 42-1196 - XLCH Primary Cover Black
Paughco
MSRP: $286.41$275.52V-Twin - 42-1196 - XLCH Primary Cover BlackDescriptionBlack primary cover is constructed of stamped steel. Inspection cover included. Fits:XLCH 1958-1969Additional Information UOM1 - EA ManufacturerPaughco OriginUSAMSRP: $286.41$275.52 -
Out of stock
V-Twin - 42-1186 - Chrome Inner Primary Cover
V-Twin Mfg
MSRP: $116.07$114.44V-Twin - 42-1186 - Chrome Inner Primary CoverDescriptionChrome steel inner primary cover has a large hole for splined sprocket shaft.NOTE: Single hole for chain guard mount. Fits:FL 1955-1964Additional Information OEM No.60620-55 UOM1 - EA ...MSRP: $116.07$114.44 -
Out of stock
V-Twin - 42-0750 - Primary Cover Trim Chrome
V-Twin Mfg
$127.50V-Twin - 42-0750 - Primary Cover Trim ChromeDescriptionOur V-Twin Chrome Primary Cover Trim fully covers the existing aluminum primary and is a full one piece that covers the primary and clutch inspection cover.Trim is easily installed by utilizing five...$127.50 -
Out of stock
V-Twin - 42-0700 - XLCH Primary Cover Chrome
Paughco
MSRP: $286.42$275.53V-Twin - 42-0700 - XLCH Primary Cover ChromeDescriptionChrome primary cover is constructed of stamped steel. Inspection cover included. Fits:XLCH 1958-1969Additional Information OEM No.34949-64 UOM1 - EA ManufacturerPaughco OriginUSA 2025 Catalog...MSRP: $286.42$275.53 -
Out of stock
V-Twin - 42-0372 - Black Primary Cover Kit
V-Twin Mfg
$531.87V-Twin - 42-0372 - Black Primary Cover KitDescriptionBlack primary cover kit.Includes inner and outer covers, gaskets, cadmium screws and derby and inspection covers. ...$531.87 -
Out of stock
V-Twin - 42-0359 - Primary Cover Trim Black
V-Twin Mfg
$127.50V-Twin - 42-0359 - Primary Cover Trim BlackDescriptionBlack finish primary cover fits over existing stock primary covers to mirror the contour for a skin tight fit. Cover is held in place by existing hardware. Fits:XL 2004-UPAdditional Information OEM...$127.50 -
Out of stock
V-Twin - 40-0990 - Chain Oiler Fitting
V-Twin Mfg
MSRP: $23.88$22.32V-Twin - 40-0990 - Chain Oiler FittingDescriptionChain oiler fitting with a 5/16 x 24" thread for primary oiling on 1955-69 FL models with tin inner primary. Fits:FL 1955-1969Additional Information UOM1 - EA ManufacturerV-Twin OriginImportedMSRP: $23.88$22.32 -
Out of stock
V-Twin - 3784-2 - Primary Oversized Drain Plug Zinc
Colony Machine
MSRP: $13.88$12.49V-Twin - 3784-2 - Primary Oversized Drain Plug ZincDescriptionPrimary drain plug features a zinc finish with a 7/16-20 oversized thread and o-ring. Fits:FXD 2004-2005FLST 2004-2006FXST 2004-2006Additional Information OEM No.60391-04 UOM1 - EA ...MSRP: $13.88$12.49 -
Out of stock
V-Twin - 37-8801 - Chain Tensioner Adjuster Shoe Bolts
V-Twin Mfg
MSRP: $16.30$14.67V-Twin - 37-8801 - Chain Tensioner Adjuster Shoe BoltsDescriptionChain tension adjuster shoe bolts are 1-15/16" long with 1/2"-28 thread. Fits:FXD 1991-2000FXST 1984-2000FL 1965-1984FX 1971-1984FLST 1986-2000FXR 1984-1994FLT 1984-2000Additional...MSRP: $16.30$14.67 -
Out of stock
V-Twin - 37-8687 - Primary Cover Cap Set Polished
V-Twin Mfg
$33.53V-Twin - 37-8687 - Primary Cover Cap Set PolishedDescriptionPolished primary cover cap set. Fits:XL 1986-1990Additional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages834$33.53 -
Out of stock
V-Twin - 37-8668 - Aluminum Inner Primary Mount Kit
V-Twin Mfg
$24.83V-Twin - 37-8668 - Aluminum Inner Primary Mount KitDescriptionAluminum inner primary mount kit contains all stock type har dware for mounting aluminum inner chain housing. Fits:FXST 1985-1988FLST 1986-1988Additional Information UOM1 - KIT ...$24.83 -
Out of stock
V-Twin - 37-0938 - Round Head Rivets 3/16 inch x 5/16 inch
MSRP: $19.88$17.89V-Twin - 37-0938 - Round Head Rivets 3/16 inch x 5/16 inchDescriptionSteel 3/16" x 5/16" round head rivets to fasten bracket to inner primary. Features a raw finish.Sold as a pack of 25. Fits:FL 1941-1964EL 1936-1952Additional Information OEM No.8512 ...MSRP: $19.88$17.89 -
Out of stock
V-Twin - 37-0030 - Primary Cover Screw Set Zinc
V-Twin Mfg
MSRP: $19.88$19.68V-Twin - 37-0030 - Primary Cover Screw Set ZincDescriptionPrimary cover screw set features a zinc finish. Fits:FL 1965-1975Additional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages755MSRP: $19.88$19.68 -
Out of stock
V-Twin - 3667-19 - Primary Cover Allen Screw Kit Zinc
Colony Machine
$36.22V-Twin - 3667-19 - Primary Cover Allen Screw Kit ZincDescriptionZinc allen style screw kit for primary covers. Fits:FXD 1991-2005FXDWG 1991-2005FLSTC 1989-2006FXSTC 1989-2006FLST 1989-2006FXST 1989-2006Additional Information UOM1 - KIT ...$36.22 -
Out of stock
V-Twin - 28-0234 - Chain Tension Nylon Pad
V-Twin Mfg
$13.50V-Twin - 28-0234 - Chain Tension Nylon PadDescriptionNylon pad for chain tension Fits:FXST 2001-2006FXD 2001-2005FLT 2001-2005FLST 2001-2006Additional Information OEM No.39976-01 UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages213$13.50
Harley Primary
Upgrade your Harley primary system with premium components designed for peak performance and durability. Found under our Clutch, Driveline & Transmission category, these parts are engineered to ensure smoother power delivery, reduced vibration, and more efficient drivetrain operation. Whether you're maintaining or upgrading, a strong Harley primary setup is key to getting the most out of your ride.
Our collection includes high-quality Harley primary covers, primary chains, compensator sprockets, clutch baskets, and both inner and outer primary components—all crafted from durable materials like forged steel and precision-machined aluminum. Built to handle aggressive riding and tough conditions, these parts meet or exceed OEM standards.
Don’t settle for less. Explore our full range of Harley primary parts and Harley primary covers today and feel the performance difference every time you hit the throttle.