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
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KLOCK WERKS Oil Cooler Guard - Black - M8 Touring KWS-01-0615-B
KLOCK WERKS
$64.95Your M8 Touring's oil cooler area deserves the same attention to detail as the rest of your bagger. The KLOCK WERKS Oil Cooler Guard delivers a polished, factory-finished look using materials that match your existing Klock Werks vent screens—no...07130255- SKU:
- 07130255
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$64.95 -
KLOCK WERKS Oil Cooler Guard - Chrome - M8 Touring KWS-01-0615-C
KLOCK WERKS
$64.95The oil cooler area is often an overlooked detail on M8 Touring models, but it's one of the most visible components in your engine bay. The KLOCK WERKS Oil Cooler Guard elevates that space with a chrome-finished guard that matches the aesthetic of...07130256- SKU:
- 07130256
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
$64.95 -
KLOCK WERKS Oil Cooler Guard - Black - M8 Softail KWS-02-0616-B
KLOCK WERKS
$64.95Your M8 Softail's oil cooler area deserves attention to detail that matches the rest of your build. The KLOCK WERKS Oil Cooler Guard delivers a cohesive, finished appearance while protecting a critical component with coordinated styling that complements...07130257- SKU:
- 07130257
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
$64.95 -
KLOCK WERKS Oil Cooler Guard - Chrome - M8 Softail KWS-02-0616-C
KLOCK WERKS
$64.95Your M8 Softail's oil cooler area deserves visual polish that matches the quality of your machine. The KLOCK WERKS Oil Cooler Guard delivers that missing aesthetic detail while protecting a critical component from road debris and impact damage...07130258- SKU:
- 07130258
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
$64.95Qty in Cart: 0Quantity:Price:$64.95Subtotal: -
ULTRACOOL Side Mount Oil Cooler Kit - Naked Black - Sportster SMSP-2N
ULTRACOOL
$549.99Oil temperature management is critical to engine longevity and performance consistency, especially in high-demand riding conditions where stock cooling falls short. The ULTRACOOL Side Mount Oil Cooler Kit delivers intelligent, automatic temperature...07130261- SKU:
- 07130261
- Availability:
- Ships Same Business Day
- Weight:
- 4.41 LBS
$549.99 -
ULTRACOOL Oil Cooler Kit - Chrome - Dyna DY-1CSS
ULTRACOOL
$549.99Engine oil temperature directly impacts power output, component longevity, and reliability—especially in high-displacement S&S engines where heat buildup accelerates wear and reduces performance. The ULTRACOOL Oil Cooler Kit maintains optimal operating...07130262- SKU:
- 07130262
- Availability:
- Ships Same Business Day
- Weight:
- 7.76 LBS
$549.99 -
ULTRACOOL Oil Cooler Kit - Gloss Black - Dyna DY-1GSS
ULTRACOOL
$549.99High oil temperatures degrade engine oil viscosity, increase wear on internal components, and reduce the longevity of your S&S engine. The ULTRACOOL Oil Cooler Kit maintains optimal operating temperatures across all riding conditions, protecting your...07130263- SKU:
- 07130263
- Availability:
- Ships Same Business Day
- Weight:
- 7.75 LBS
$549.99 -
ULTRACOOL Oil Cooler Kit - Flat Black - Dyna DY-1FSS
ULTRACOOL
$549.99Oil temperature management is critical for engine longevity and performance—especially in high-displacement S&S engines running under sustained load. The ULTRACOOL Oil Cooler Kit maintains optimal operating temperature across all riding conditions,...07130264- SKU:
- 07130264
- Availability:
- Ships Same Business Day
- Weight:
- 7.75 LBS
$549.99 -
ULTRACOOL Side Mount Oil Cooler Kit - Chrome - Touring SMT-1CSS
ULTRACOOL
$589.99High oil temperatures are the silent killer of engine performance and longevity. Whether you're pushing hard on the track or running consistently elevated engine loads, uncontrolled oil temps will degrade your lubricant, reduce horsepower, and shorten...07130265- SKU:
- 07130265
- Availability:
- Ships Same Business Day
- Weight:
- 7.95 LBS
$589.99 -
ULTRACOOL Side Mount Oil Cooler Kit - Gloss Black - Touring SMT-1GSS
ULTRACOOL
$589.99Sustained high performance demands precise thermal management—and oil temperature creep is one of the most overlooked threats to engine longevity and reliability. The ULTRACOOL Side Mount Oil Cooler Kit delivers up to 50°F of oil temperature reduction,...07130266- SKU:
- 07130266
- Availability:
- Ships Same Business Day
- Weight:
- 7.95 LBS
$589.99 -
ULTRACOOL Oil Cooler Kit - Naked Black - Touring/Trike SMT-4NSS
ULTRACOOL
$549.99Engine oil temperature control is critical to maintaining performance and longevity, especially under sustained racing conditions or hot-weather operation. The ULTRACOOL Oil Cooler Kit delivers automatic thermal management with a plug-and-play...07130267- SKU:
- 07130267
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
$549.99 -
ULTRACOOL Side Mount Oil Cooler Kit - Naked - Black SMT8-5N
ULTRACOOL
$549.99If you're pushing your engine hard—whether on the track or the street—oil temperature control is non-negotiable. Excessive heat degrades oil viscosity, kills bearing protection, and shortens engine life. The ULTRACOOL Side Mount Oil Cooler Kit delivers...07130260- SKU:
- 07130260
- Availability:
- Ships Same Business Day
- Weight:
- 3.51 LBS
$549.99 -
JAGG OIL COOLERS Oil Filter Adapter - Offset 4702
JAGG OIL COOLERS
$170.95If you're running an oil cooler setup, proper flow management is critical to engine longevity and performance. The JAGG Oil Filter Adapter - Offset 4702 simplifies installation while its integrated thermostatic bypass valve ensures your engine reaches...07130271- SKU:
- 07130271
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
$170.95 -
JAGG OIL COOLERS Oil Cooler Kit - Low Mount - Touring 750-2300-0323
JAGG OIL COOLERS
$450.95Extended engine life depends on oil temperature management—elevated heat accelerates wear, reduces viscosity, and compromises lubrication. The JAGG Low Mount Oil Cooler Kit uses turbulator technology and multi-pass flow design to dissipate heat...07130276- SKU:
- 07130276
- Availability:
- Ships Same Business Day
- Weight:
- 4.01 LBS
$450.95 -
JAGG OIL COOLERS Fan-Assisted Oil Cooler Kit - Low Mount - Touring 751-FP2300-0323
JAGG OIL COOLERS
$574.95Maintaining consistent oil temperatures is critical for engine longevity and performance, especially in touring applications where stop-and-go traffic and sustained highway riding demand reliable thermal management. The JAGG Fan-Assisted Oil Cooler Kit...07130277- SKU:
- 07130277
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
$574.95Qty in Cart: 0Quantity:Price:$574.95Subtotal: -
PRO-ONE PERF.MFG. Universal Oil Cooler Kit - Chrome 201050
PRO-ONE PERF.MFG.
$307.95Maintaining optimal oil temperatures is critical to engine longevity and consistent performance under load—whether you're on the track or pushing hard on the street. The PRO-ONE PERF.MFG. Universal Oil Cooler Kit delivers efficient heat dissipation with...DS310204- SKU:
- DS310204
- Availability:
- Ships Same Business Day
- Weight:
- 3.63 LBS
- COLOR/FINISH:
- CHROME
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1' - 1-1/4'
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- FOR FRAME TUBE DIAMETER METRIC:
- 25.4 MM - 31.8 MM
- OUTSIDE DIAMETER IMPERIAL:
- 2-1/4'
- FEATURES:
- WITHOUT GAUGE
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- LENGTH IMPERIAL:
- 12'
- LENGTH METRIC:
- 305 MM
- OUTSIDE DIAMETER METRIC:
- 57.2 MM
- PRODUCT NAME:
- OIL COOLER KIT
$307.95 -
PRO-ONE PERF.MFG. No Gauge Oil Cooler Kit - Black - 1"- 1-1/4" 201050B
PRO-ONE PERF.MFG.
$307.95Engine oil temperature is critical to performance and longevity—running too hot causes viscosity breakdown, increased wear, and power loss. The PRO-ONE No Gauge Oil Cooler Kit delivers efficient thermal management with a compact, bolt-on design that...07130073- SKU:
- 07130073
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- BASE COLOR:
- BLACK
- FEATURES:
- WITHOUT GAUGE
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- OIL COOLER KIT
- COLOR/FINISH:
- BLACK
- FOR FRAME TUBE DIAMETER METRIC:
- 25.4 MM - 31.8 MM
- LENGTH IMPERIAL:
- 12'
- LENGTH METRIC:
- 305 MM
- OUTSIDE DIAMETER METRIC:
- 57.2 MM
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1' - 1-1/4'
- OUTSIDE DIAMETER IMPERIAL:
- 2-1/4'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$307.95 -
ULTRACOOL Side Mount Oil Cooler Kit - Black - FLH SMT-2G
ULTRACOOL
$589.99Modern forced-induction and high-output engines generate heat that stock cooling systems simply can't handle—excess oil temperatures destroy viscosity, reduce lubrication efficiency, and accelerate engine wear. The ULTRACOOL Side Mount Oil Cooler Kit...07130204- SKU:
- 07130204
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 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 Side Mount Oil Cooler Kit - Gloss Black - Sportster SMSP-1G
ULTRACOOL
$549.99Harley Sportster riders know that sustained high-performance riding generates heat that can compromise oil viscosity and engine reliability. The ULTRACOOL Side Mount Oil Cooler Kit automatically manages oil temperatures with precision engineering,...07130224- SKU:
- 07130224
- Availability:
- Ships Same Business Day
- Weight:
- 6.51 LBS
- COLOR/FINISH:
- GLOSS BLACK
- PRODUCT NAME:
- OIL COOLER
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- MOUNTING POSITION:
- DOWN TUBE
- MOUNTING POSITION:
- SIDE MOUNT
- RIDING STYLE:
- STREET
$549.99 -
ULTRACOOL Below Regulator Mount Oil Cooler - Stainless Steel RF-2CSS
ULTRACOOL
$549.99Engine oil temperature is critical to longevity and performance—especially in high-displacement S&S applications where heat management directly impacts reliability and power output. The ULTRACOOL Below Regulator Mount Oil Cooler keeps your T-series...07130246- SKU:
- 07130246
- Availability:
- Ships Same Business Day
- Weight:
- 7.86 LBS
- MOUNTING POSITION:
- BELOW REGULATOR
- PRODUCT NAME:
- OIL COOLER
- BASE COLOR:
- SILVER
- COLOR/FINISH:
- STAINLESS STEEL
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$549.99
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.