Primary
- Product
- Qty in Cart
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- Price
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V-Twin - 42-1449 - Replica Inner Primary Cover Black
V-Twin Mfg
MSRP: $283.21$168.66V-Twin - 42-1449 - Replica Inner Primary Cover BlackDescription2024 New Production replica inner primary cover features a black finish and includes drain fitting.Developed with new tooling for accurate reproduction! Inner cover includes hand shift guard...MSRP: $283.21$168.66 -
V-Twin - 42-1282 - Replica Inner Primary Cover Chrome
V-Twin Mfg
$166.32V-Twin - 42-1282 - Replica Inner Primary Cover ChromeDescriptionChrome inner primary cover. Primary cover comes without oil guard.Primary cover comes without oil guard. Oil drain fitting must be removed or relocated as necessary. Fits:FL...$166.32 -
V-Twin - 42-1218 - Alternator Inner Primary Cover Steel Black
V-Twin Mfg
$181.58V-Twin - 42-1218 - Alternator Inner Primary Cover Steel BlackDescriptionSteel alternator type inner primary cover allows use of 1955-1964 type compensator outer covers on alternator, electric start must be sacrificed. Features a black finish. Fits:FL...$181.58 -
V-Twin - 42-1114 - Black 45 inch Outer Primary Cover Kit
V-Twin Mfg
$286.40V-Twin - 42-1114 - Black 45 inch Outer Primary Cover KitDescriptionBlack 45" outer primary cover kit includes black cover, inspection plates, and mount hardware.*NOTE: Features a steel construction. Fits:W 1941-1952G 1941-1963Additional Information UOM1...$286.40 -
V-Twin - 42-1113 - Chrome 45 inch Outer Primary Cover Kit
V-Twin Mfg
$272.59V-Twin - 42-1113 - Chrome 45 inch Outer Primary Cover KitDescriptionChrome 45" outer primary cover kit includes chrome cover, 2 inspection plates, and mount hardware. Fits:W 1941-1952G 1941-1963Additional Information UOM1 - KIT ManufacturerV-Twin ...$272.59 -
V-Twin - 42-0996 - Chrome Primary Cover Trim
V-Twin Mfg
$179.59V-Twin - 42-0996 - Chrome Primary Cover TrimDescriptionChrome primary cover trim is open derby type. Trim fully covers the existing primary and is secured in place by the existing screws.Reinstallation of clutch cable for installation is require. Fits:XL...$179.59 -
V-Twin - 42-0939 - Primary Cover Trim Chrome
V-Twin Mfg
$127.50V-Twin - 42-0939 - Primary Cover Trim ChromeDescriptionChrome steel 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.Clutch cable must be removed & reinstalled...$127.50 -
V-Twin - 42-0881 - Replica Outer Primary Cover Chrome
V-Twin Mfg
$183.49V-Twin - 42-0881 - Replica Outer Primary Cover ChromeDescriptionReplica chrome steel outer primary has a deeper front cup to accept the compensator sprocket assembly or a tapered sprocket. Fits:FL 1955-1964Additional Information OEM No.60505-55 UOM1 -...$183.49 -
V-Twin - 42-0880 - Replica Outer Primary Cover Flat Black
V-Twin Mfg
$201.69V-Twin - 42-0880 - Replica Outer Primary Cover Flat BlackDescriptionReplica flat black outer primary has a deeper front cup to accept the compensator sprocket assembly or a tapered sprocket. Fits:FL 1955-1964Additional Information OEM No.60505-55 UOM1...$201.69 -
V-Twin - 42-0868 - Chrome Primary Cover Clutch Adjuster Cap
V-Twin Mfg
MSRP: $11.86$11.74V-Twin - 42-0868 - Chrome Primary Cover Clutch Adjuster CapDescriptionChrome primary cover clutch adjuster cap. Fits:XL 1989-1993Additional Information UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages830MSRP: $11.86$11.74 -
V-Twin - 42-0862 - Replica Inner Primary Cover Chrome
V-Twin Mfg
$153.89V-Twin - 42-0862 - Replica Inner Primary Cover ChromeDescriptionReplica chrome inner primary cover with drain fitting installed.Primary cover comes without oil guard. Oil drain fitting must be removed or relocated as necessary. Fits:FL...$153.89 -
V-Twin - 42-0653 - Rear Chain Oiler Kit
V-Twin Mfg
$19.66V-Twin - 42-0653 - Rear Chain Oiler KitDescriptionRear chain oiler kit fits on the rear of the inner primary cover and includes screw. Fits:FL 1954-1964Additional Information OEM No.63591-62 UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog...$19.66 -
V-Twin - 42-0609 - Primary Cover Inserts Chrome
V-Twin Mfg
$9.76V-Twin - 42-0609 - Primary Cover Inserts ChromeDescriptionPrimary cover insert comes with a double stick adhesive strip. Constructed of metal featuring a chrome finish. Fits:XL 1971-1976Additional Information UOM1 - EA ManufacturerV-Twin OriginUSA ...$9.76 -
V-Twin - 42-0601 - Oval Inspection Chrome
V-Twin Mfg
$29.11V-Twin - 42-0601 - Oval Inspection ChromeDescriptionChrome oval inspection cover has a smooth chrome finish with 4 screw holes. Fits:FL 1970-1984FLST 1986-2006FXST 1984-2006Additional Information OEM No.60572-78 UOM1 - EA ManufacturerV-Twin ...$29.11 -
V-Twin - 42-0600 - Oval Inspection Chrome Finned Type
V-Twin Mfg
MSRP: $13.86$13.72V-Twin - 42-0600 - Oval Inspection Chrome Finned TypeDescriptionFinned oval inspection chrome for primary covers on Big Twin models. Fits:FL 1970-1984FLST 1986-2006FXST 1984-2006Additional Information UOM1 - EA ManufacturerV-Twin OriginImported 2025...MSRP: $13.86$13.72 -
V-Twin - 42-0385 - Replica Outer Primary Cover Chrome Kit
V-Twin Mfg
$269.01V-Twin - 42-0385 - Replica Outer Primary Cover Chrome KitDescriptionReplica chrome outer primary cover kit includes original style chrome cover, chrome derby cover, chrome inspection cover, gaskets and screw kit.. Fits:FL 1955-1964Additional Information ...$269.01 -
V-Twin - 42-0360 - Primary Cover Trim Black
V-Twin Mfg
MSRP: $136.66$127.48V-Twin - 42-0360 - Primary Cover Trim BlackDescriptionBlack primary cover trim is open derby type. Trim fully covers the existing primary and is secured in place by the 5 existing screws. Fits:XL 1994-2003Additional Information UOM1 - EA ...MSRP: $136.66$127.48 -
V-Twin - 42-0314 - Inner Primary Trim Chrome
V-Twin Mfg
MSRP: $43.51$42.64V-Twin - 42-0314 - Inner Primary Trim ChromeDescriptionChrome inner primary trim easily adapts to stock cast inner primary without complicated disassembly. Fits:FL 1971-1984FX 1971-1984Additional Information UOM1 - EA ManufacturerV-Twin OriginImported...MSRP: $43.51$42.64 -
V-Twin - 42-0234 - 45 inch Replica Outer Primary Cover Black
V-Twin Mfg
$272.59V-Twin - 42-0234 - 45 inch Replica Outer Primary Cover BlackDescription45" replica black outer primary cover Fits:G 1941-1963Additional Information OEM No.60504-32 UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages814$272.59 -
V-Twin - 40-9982 - Rear Chain Oiler T
Wyatt Gatling
MSRP: $19.86$19.66V-Twin - 40-9982 - Rear Chain Oiler TDescriptionRear chain oiler T is for use with a primary cover. Fits:FX 1971-1978FL 1970-1978Additional Information OEM No.63541-70 UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025 Catalog Pages161MSRP: $19.86$19.66 -
V-Twin - 40-9976 - Chain Oiler Fitting
Wyatt Gatling
MSRP: $19.86$19.66V-Twin - 40-9976 - Chain Oiler FittingDescriptionSide hole type chain oiler fitting is for extra chain oil. Fits:FL 1970-1984FX 1971-1984Additional Information UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025 Catalog Pages745MSRP: $19.86$19.66 -
V-Twin - 40-9968 - Side Valve Primary Chain Oiler Tube
Wyatt Gatling
MSRP: $21.86$20.44V-Twin - 40-9968 - Side Valve Primary Chain Oiler Tube Description Primary chain oiler tube for 74", 80" and 45" Side Valve models, presses into the left side engine case. Fits: G 1937-1973 U 1937-1948 W 1937-1952 Additional...MSRP: $21.86$20.44 -
V-Twin - 40-0524 - Chain Oiler Fitting
Wyatt Gatling
MSRP: $22.30$20.85V-Twin - 40-0524 - Chain Oiler FittingDescriptionFitting attaches to inner primary cover with external hose barb connection. Fits:FL 1970-1984FX 1971-1984Additional Information OEM No.60549-70 UOM1 - EA ManufacturerWyatt Gatling OriginImported 2025...MSRP: $22.30$20.85 -
V-Twin - 40-0176 - Primary Oil Fitting
Colony Machine
MSRP: $31.13$29.10V-Twin - 40-0176 - Primary Oil FittingDescriptionPrimary fitting for cover. Fits:FL 1936-1964Additional Information OEM No.60548-36 UOM3 - PK ManufacturerColony OriginImported 2025 Catalog Pages556MSRP: $31.13$29.10 -
V-Twin - 3785-1 - Inner Primary Cover Reinforcement Ring
Colony Machine
$34.08V-Twin - 3785-1 - Inner Primary Cover Reinforcement RingDescriptionInner primary reinforcement ring fits inner primary cover at engine crank shaft. Fits:FL 1941-1954EL 1936-1940UL 1938-1948Additional Information UOM1 - EA ManufacturerColony OriginUSA$34.08 -
V-Twin - 3769-7 - Right Side Transmission Cover Support Bracket Mount Kit
Colony Machine
MSRP: $21.88$18.59V-Twin - 3769-7 - Right Side Transmission Cover Support Bracket Mount KitDescriptionRight side transmission cover support bracket mount kit includes a stud, spacers, grommets, nut and lock washer.*NOTE: Stud allows mounting of chrome dress side cover, as...MSRP: $21.88$18.59 -
V-Twin - 37-9030 - Chain Tensioner Screws
V-Twin Mfg
$13.50V-Twin - 37-9030 - Chain Tensioner ScrewsDescriptionChain tensioner screws has phillips flat head Fits:FXD 1991-2005FLST 1986-2006FXST 1984-2006FL 1965-1984FX 1971-1984FLT 1984-2005FXR 1984-1994Additional Information OEM No.1783 UOM10 - PK ...$13.50 -
V-Twin - 37-8999 - Primary Cover Cap Set Chrome
V-Twin Mfg
MSRP: $45.13$44.22V-Twin - 37-8999 - Primary Cover Cap Set ChromeDescriptionChrome hex head primary cover filler and clutch hole cap are easily installed and removed with a standard 15/16" wrench. Fits:XL 1971-1976Additional Information UOM1 - SET ManufacturerV-Twin ...MSRP: $45.13$44.22 -
V-Twin - 37-8991 - Primary Cap Set Chrome
V-Twin Mfg
MSRP: $45.13$44.22V-Twin - 37-8991 - Primary Cap Set ChromeDescriptionInspection Cover Set in rich chrome, hex style, for clutch and chain on primary cover. Years 1986 through 1990.*NOTE: Non-vented type. Fits:XL 1986-1990Additional Information UOM1 - SET ...MSRP: $45.13$44.22 -
V-Twin - 37-8989 - Primary Cover Cap Set Chrome
V-Twin Mfg
$46.00V-Twin - 37-8989 - Primary Cover Cap Set ChromeDescriptionChrome hex head primary cover filler and clutch hole cap are easily installed and removaled with a standard 15/16" wrench. Fits:XL 1977-1984Additional Information UOM1 - SET ManufacturerV-Twin ...$46.00 -
V-Twin - 37-8934 - Magnetic Inner Primary Drain Plug
V-Twin Mfg
MSRP: $13.14$13.00V-Twin - 37-8934 - Magnetic Inner Primary Drain PlugDescriptionMagnetic drain plug prevents metal particles from circulating through engine, transmission and oil tanks. Plug is 1/8" - 27 national pipe thread. Fits:FLST 1987-1989FXST 1987-1989FXR...MSRP: $13.14$13.00 -
V-Twin - 37-8931 - Primary Cover Seal Washer
V-Twin Mfg
$22.96V-Twin - 37-8931 - Primary Cover Seal WasherDescriptionPrimary cover seal washer with o-ring Fits:FLST 1986-2006FXST 1984-2006Additional Information OEM No.31433-84A UOM10 - PK ManufacturerV-Twin OriginImported 2025 Catalog Pages442$22.96 -
V-Twin - 37-8803 - Inner Primary Safety Bolt
V-Twin Mfg
$25.37V-Twin - 37-8803 - Inner Primary Safety BoltDescriptionInner primary safety bolt Fits:FL 1971-1984FX 1971-1984Additional Information OEM No.4021 UOM5 - PK ManufacturerV-Twin OriginImported 2025 Catalog Pages443$25.37 -
V-Twin - 37-8690 - Primary Cover Cap Set Chrome
V-Twin Mfg
$48.22V-Twin - 37-8690 - Primary Cover Cap Set ChromeDescriptionChrome primary cover cap set Fits:XL 1986-1990Additional Information OEM No.34745-87 UOM1 - SET ManufacturerV-Twin OriginImported 2025 Catalog Pages834$48.22 -
V-Twin - 37-8666 - Inner Primary Mount Kit Aluminum
V-Twin Mfg
$45.05V-Twin - 37-8666 - Inner Primary Mount Kit AluminumDescriptionAluminum inner priamry mount Fits:FL 1970-1979FX 1971-1979Additional Information UOM1 - KIT ManufacturerV-Twin OriginUSA 2025 Catalog Pages754 Replacement Items12-2113 - Mount Stud Set...$45.05 -
V-Twin - 37-8349 - Primary Cover Hole Plug Chrome
V-Twin Mfg
$25.37V-Twin - 37-8349 - Primary Cover Hole Plug ChromeDescriptionChrome primary cover hole plug Fits:FL 1954-1964Additional Information OEM No.60650-54A UOM5 - PK ManufacturerV-Twin OriginImported 2025 Catalog Pages757$25.37 -
V-Twin - 37-7784 - Primary Cover Cap Set Chrome
V-Twin Mfg
$32.07V-Twin - 37-7784 - Primary Cover Cap Set ChromeDescriptionChrome stock type primary cover filler and clutch hole cap are easily installed and removable with a standard primary plug wrench.Both caps are non-vented. Fits:XL 1977-1984Additional Information ...$32.07 -
V-Twin - 37-7377 - Chrome Primary Cover Cap Set
V-Twin Mfg
MSRP: $37.85$37.09V-Twin - 37-7377 - Chrome Primary Cover Cap SetDescriptionChrome primary cover cap set is for filler and clutch adjustment holes on XL models. These are machined smaller for special application.*NOTE: Threads are clearanced to fit for installation on...MSRP: $37.85$37.09 -
V-Twin - 37-7376 - Chrome Primary Cover Cap Set
V-Twin Mfg
MSRP: $37.85$37.09V-Twin - 37-7376 - Chrome Primary Cover Cap SetDescriptionChrome primary cover cap set is for filler and clutch adjustment holes on XL models. These are machined smaller for special application.*NOTE: Threads are clearanced for fitting for installation...MSRP: $37.85$37.09 -
V-Twin - 37-7276 - Polished Primary Cover Cap Set
V-Twin Mfg
$36.59V-Twin - 37-7276 - Polished Primary Cover Cap SetDescriptionPolished primary cover cap set is for filler and clutch adjustment holes on XL models.*NOTE: For use with polished outer covers. ...$36.59
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.