Harley Oil Coolers
Harley Bike Oil Coolers at JJ Motorsports
Keep your Harley running cooler with premium oil coolers from JJ Motorsports, featuring side-mount, below-regulator, and universal kits for maximum heat dissipation on Sportster, Softail, Dyna, and Touring models. These high-efficiency coolers lower oil temps up to 50°F for longer engine life.
Shop Pro-One and UltraCool oil coolers for proven performance. Explore related categories such as Harley engine for oil pumps and filters, or Harley for exhaust and suspension to complete your cooling upgrade.
Top Harley Oil Coolers
- Pro-One Perf Mfg Universal Oil Cooler Kit Chrome 201050 – Chrome universal kit with mounting hardware; fits most Big Twin and Sportster models.
- UltraCool Side Mount Oil Cooler Kit Gloss Black Sportster SMSP-1G – Gloss black side-mount for Sportster; dual SPAL fans with thermal switch.
- UltraCool Below Regulator Mount Oil Cooler Flat Black RF-2FSS – Flat black regulator-relocate cooler; fits Softail and Dyna with automatic fan control.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
ULTRACOOL Side Mount Oil Cooler Kit - Gloss Black - Sportster SMSP-2G
ULTRACOOL
$589.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130166- SKU:
- 07130166
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- COLOR/FINISH:
- GLOSS BLACK
- PRODUCT NAME:
- OIL COOLER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- MOUNTING POSITION:
- DOWN TUBE
- MOUNTING POSITION:
- SIDE MOUNT
$589.99 -
ULTRACOOL Frame Mount Oil Cooler Kit - Chrome - M8 SMT8-1C
ULTRACOOL
$589.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130167- SKU:
- 07130167
- Availability:
- Ships Same Business Day
- Weight:
- 6.65 LBS
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- DOWN TUBE
- MOUNTING POSITION:
- SIDE MOUNT
- PRODUCT NAME:
- OIL COOLER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$589.99 -
ULTRACOOL Frame Mount Oil Cooler Kit - Black - M8 SMT8-1G
ULTRACOOL
$589.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130168- SKU:
- 07130168
- Availability:
- Ships Same Business Day
- Weight:
- 6.65 LBS
- UNITS:
- KIT
- COLOR/FINISH:
- GLOSS BLACK
- MOUNTING POSITION:
- DOWN TUBE
- MOUNTING POSITION:
- SIDE MOUNT
- PRODUCT NAME:
- OIL COOLER
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
$589.99 -
ULTRACOOL Side Mount Oil Cooler Kit - Chrome - M8 SMS8-1C
ULTRACOOL
$589.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130171- SKU:
- 07130171
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- BASE FINISH:
- NATURAL
- MOUNTING POSITION:
- DOWN TUBE
- MOUNTING POSITION:
- SIDE MOUNT
- PRODUCT NAME:
- OIL COOLER
$589.99 -
ULTRACOOL Side Mount Oil Cooler Kit - Black - M8 SMS8-1G
ULTRACOOL
$589.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130172- SKU:
- 07130172
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
- BASE COLOR:
- BLACK
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GLOSS BLACK
- MOUNTING POSITION:
- DOWN TUBE
- MOUNTING POSITION:
- SIDE MOUNT
- PRODUCT NAME:
- OIL COOLER
- UNITS:
- KIT
$589.99 -
ULTRACOOL Fairing Mount Oil Cooler Kit - Black SMT-4
ULTRACOOL
$549.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130225- SKU:
- 07130225
- Availability:
- Ships Same Business Day
- Weight:
- 5.26 LBS
- BASE COLOR:
- BLACK
- MOUNTING POSITION:
- LOWER FAIRING
- PRODUCT NAME:
- OIL COOLER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
$549.99 -
ULTRACOOL Oil Cooler Kit - Black SMT8-3
ULTRACOOL
$549.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130226- SKU:
- 07130226
- Availability:
- Ships Same Business Day
- Weight:
- 4.51 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- MOUNTING POSITION:
- LOWER FAIRING
- PRODUCT NAME:
- OIL COOLER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
$549.99 -
ULTRACOOL Below Regulator Mount Oil Cooler- Gloss Black RF-2GSS
ULTRACOOL
$549.99Specifically designed for the T series S&S 111, 124 and 143 engines, Includes a special machined adapter to fit perfectly into the S&S cases, Will not fit with water cooled heads07130247- SKU:
- 07130247
- Availability:
- Ships Same Business Day
- Weight:
- 3.59 LBS
- BASE FINISH:
- GLOSS
- UNITS:
- KIT
- COLOR/FINISH:
- GLOSS BLACK
- PRODUCT NAME:
- OIL COOLER
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- MOUNTING POSITION:
- BELOW REGULATOR
$549.99 -
ULTRACOOL Below Regulator Mount Oil Cooler- Flat Black RF-2FSS
ULTRACOOL
$549.99Specifically designed for the T series S&S 111, 124 and 143 engines, Includes a special machined adapter to fit perfectly into the S&S cases, Will not fit with water cooled heads07130248- SKU:
- 07130248
- Availability:
- Ships Same Business Day
- Weight:
- 3.63 LBS
- BASE COLOR:
- BLACK
- BASE FINISH:
- FLAT
- COLOR/FINISH:
- FLAT BLACK
- MOUNTING POSITION:
- BELOW REGULATOR
- PRODUCT NAME:
- OIL COOLER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$549.99Qty in Cart: 0Quantity:Price:$549.99Subtotal: -
ULTRACOOL Side Mount Oil Cooler - Black SMT-2GSS
ULTRACOOL
$589.99Sealed waterproof IP68 fans produce 220 CFM of airflow, Oil adapter and thermal switch automatically turns on the dual fans when your oil reaches 210°F, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation,...07130250- SKU:
- 07130250
- Availability:
- Ships Same Business Day
- Weight:
- 7.81 LBS
- MOUNTING POSITION:
- SIDE MOUNT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- OIL COOLER
$589.99 -
ULTRACOOL Oil Cooler Kit - Chrome RF-1SS
ULTRACOOL
$549.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130146- SKU:
- 07130146
- Availability:
- Ships Same Business Day
- Weight:
- 7.31 LBS
- MOUNTING POSITION:
- CENTER MOUNT
- PRODUCT NAME:
- OIL COOLER
- UNITS:
- KIT
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- BELOW REGULATOR
- RIDING STYLE:
- STREET
- BASE FINISH:
- NATURAL
$549.99Qty in Cart: 0Quantity:Price:$549.99Subtotal: -
ULTRACOOL Oil Cooler Kit - Black RF-1G
ULTRACOOL
$549.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130147- SKU:
- 07130147
- Availability:
- Ships Same Business Day
- Weight:
- 7.55 LBS
- BASE COLOR:
- BLACK
- MOUNTING POSITION:
- BELOW REGULATOR
- COLOR/FINISH:
- GLOSS BLACK
- PRODUCT NAME:
- OIL COOLER
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- CENTER MOUNT
- UNITS:
- KIT
$549.99 -
ULTRACOOL Oil Cooler Kit - Flat Black RF-1F
ULTRACOOL
$499.00Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130148- SKU:
- 07130148
- Availability:
- Ships Same Business Day
- Weight:
- 7.45 LBS
- MOUNTING POSITION:
- CENTER MOUNT
- PRODUCT NAME:
- OIL COOLER
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- FLAT BLACK
- MOUNTING POSITION:
- BELOW REGULATOR
- UNITS:
- KIT
- BASE FINISH:
- FLAT
- RIDING STYLE:
- STREET
$499.00Qty in Cart: 0Quantity:Price:$499.00Subtotal: -
ULTRACOOL Oil Cooler Kit - Chrome RF-2SS
ULTRACOOL
$549.99Oil Adapter and Thermal Switch with waterproof connectors automatically turns on the powerful dual fans when oil reaches 210 degrees, Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation, Sealed Waterproof IP68 Dual...07130149- SKU:
- 07130149
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
- BASE FINISH:
- NATURAL
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- MOUNTING POSITION:
- BELOW REGULATOR
- UNITS:
- KIT
- MOUNTING POSITION:
- CENTER MOUNT
- PRODUCT NAME:
- OIL COOLER
$549.99 -
JAGG OIL COOLERS Universal Hose Clamp - Black - 10-Pack HC78-10
JAGG OIL COOLERS
$13.95Stainless steel with a black finish07130055- SKU:
- 07130055
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- OIL COOLER
- UNITS:
- 10 PACK
- OUTSIDE DIAMETER IMPERIAL:
- 3/8'
- PRODUCT NAME:
- HOSE CLAMP
- RIDING STYLE:
- STREET
- MATERIAL:
- STAINLESS STEEL
- BASE COLOR:
- BLACK
- OUTSIDE DIAMETER METRIC:
- 9.5 MM
$13.95 -
DRAG SPECIALTIES Oil Cooler Cover for Jagg 3511-0001
DRAG SPECIALTIES
$16.95Quality black vinyl cover features hook-and-loop fasteners for easy installation and removal, Keeps oil at the correct operating temperature when riding in cool weather, Designed for use on OEM and Jagg Slimline oil cooler, 8" L x 2 1/4" W x 1 1/4" D,...35110001- SKU:
- 35110001
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- LENGTH IMPERIAL:
- 8'
- LENGTH METRIC:
- 203 MM
- PRODUCT NAME:
- COVER
- TYPE:
- OIL COOLER
- UNITS:
- EACH
- MATERIAL:
- VINYL
- MODEL:
- SLIMLINE
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
$16.95 -
On Sale
S&S CYCLE Oil Valve Control - M8 310-1150
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95The factory oil control valve on all oil cooled M8 engines regulates the amount of oil flowing to the oil cooler/heads, The stock assembly includes a check ball retainer that is formed steel, Easy to Install09320288- SKU:
- 09320288
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- SILVER
- TYPE:
- OIL COOLER
- UNITS:
- EACH
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- VALVE CONTROL
- RIDING STYLE:
- STREET
MSRP: $50.95Now: $45.86Was: $50.95Qty in Cart: 0Quantity:Price:MSRP: $50.95Now: $45.86Was: $50.95Subtotal: -
JAGG OIL COOLERS Replacement Gasket Kit GK4600
JAGG OIL COOLERS
$10.95Service kit (repl. gasket) for oil filter adapter, Made in the U.S.A.4600GK- SKU:
- 4600GK
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- OIL COOLER ADAPTER
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$10.95 -
JAGG OIL COOLERS Oil Filter Nipple 11-26352-95A
JAGG OIL COOLERS
$10.95Required when converting from stock H-D oil filter adapters to higher-flowing Jagg oil filter adapters07130081- SKU:
- 07130081
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- TYPE:
- OIL FILTER
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- COLOR/FINISH:
- CHROME
- PRODUCT NAME:
- ADAPTER
- RIDING STYLE:
- STREET
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
On Sale
PRO-ONE PERF.MFG. Oil Cooler Kit with Temperature Gauge- Black - 1"- 1-1/4" 201110B
PRO-ONE PERF.MFG.
MSRP: $351.95Now: $316.76Was: $351.95CNC-machined from billet aluminum, Kits mount to frame tubes with supplied clamps and reducers, Come with AN #6 fittings (use with -6 lines found in most speed shops), If using standard 3/8" hose, use a breather fitting, Measure 12" L x 2.25" diameter,...07130075- SKU:
- 07130075
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
- LENGTH IMPERIAL:
- 12'
- OUTSIDE DIAMETER METRIC:
- 57.2 MM
- BASE COLOR:
- BLACK
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1' - 1-1/4'
- PRODUCT NAME:
- OIL COOLER KIT
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- FOR FRAME TUBE DIAMETER METRIC:
- 25.4 MM - 31.8 MM
- LENGTH METRIC:
- 305 MM
- FEATURES:
- WITH TEMPERATURE GAUGE
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER IMPERIAL:
- 2-1/4'
- RIDING STYLE:
- STREET
MSRP: $351.95Now: $316.76Was: $351.95
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Engine Oil Coolers
- Compatibility: Ensure the cooler fits your Harley's model (e.g., Sportster, Softail, Dyna, Touring, Big Twin) and specifics like S&S 111/124/143 engines or frame tube diameters (1"–1-1/4"). Use the vehicle selector for year-specific matches to avoid mounting or flow issues.
- Type of Use: For standard street riding, opt for universal kits without gauges; high-heat or performance conditions benefit from model-specific coolers with dual fans and thermal switches for automatic cooling in demanding environments.
- Components and Upgrades: Select kits with heat exchangers, turbulators, AN #6 fittings, adapters, and dual fans (220 CFM); upgrade to gloss black or flat black finishes for style. Focus on waterproof IP68-rated fans and thermal switches for reliable operation.
- Brand and Quality: Choose Pro-One for universal billet aluminum kits or UltraCool for model-specific options with aluminum heat exchangers. Prioritize durable, high-efficiency designs that lower oil temps up to 50°F for engine longevity.
- Installation and Cost: Most kits include clamps, reducers, adapters, and hardware for frame tube mounting; prices range from $307.95 for universal to $589.99 for premium with fans—factor in same-day shipping and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models do these engine oil coolers support? Coolers support Sportster, Softail, Dyna, Touring, Big Twin, and some S&S engines—use the year/make/model filter for exact compatibility, including side/down tube or below-regulator mounting.
- How do oil coolers improve engine performance? They lower oil temperatures up to 50°F via turbulators and dual fans, extending engine life and preventing overheating in hot conditions.
- What is typically included in an oil cooler kit? Kits include heat exchangers, fans, thermal switches, adapters, clamps, reducers, and hardware—check details for gauges or specific finishes.
- Are these coolers automatic? Yes, with thermal switches activating fans at 210°F for hands-free cooling.
- What if a cooler doesn't fit my Harley? Verify frame tube diameter (1"–1-1/4") and mounting position before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related engine parts? Yes—explore oil pumps, filters, or gaskets in the Harley engine category to complement your oil cooler upgrade for better cooling efficiency.
