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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JAGG OIL COOLERS Fan-Assisted Oil Cooler Kit - Low Mount - Dyna 751-FP2500-0323
JAGG OIL COOLERS
$574.95Harley Dyna riders pushing their engines in heavy traffic or sustained high-rpm conditions face a critical challenge: oil temperature management at low speeds where stock cooling is insufficient. The JAGG Fan-Assisted Oil Cooler Kit solves this with...07130281- SKU:
- 07130281
- Availability:
- Ships Same Business Day
- Weight:
- 4.97 LBS
$574.95Qty in Cart: 0Quantity:Price:$574.95Subtotal: -
JAGG OIL COOLERS Fan-Assisted Oil Cooler Kit - Vertical 751-FP2600-0323
JAGG OIL COOLERS
$574.95Engine oil temperature management is critical to longevity and power output, especially during sustained high-load riding or track days when standard cooling becomes inadequate. The JAGG Fan-Assisted Oil Cooler Kit maintains optimal viscosity and...07130282- SKU:
- 07130282
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$574.95Qty in Cart: 0Quantity:Price:$574.95Subtotal: -
JAGG OIL COOLERS Replacement Gasket Kit GK4600
JAGG OIL COOLERS
$10.95Oil leaks at the filter adapter are a common failure point in high-performance cooling systems, and worn gaskets are the culprit. This genuine JAGG replacement gasket kit restores a leak-free seal without requiring a full cooler replacement, keeping your...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
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
JAGG OIL COOLERS Oil Filter Nipple 11-26352-95A
JAGG OIL COOLERS
$10.95If you're upgrading to a high-flow JAGG oil cooler system on your Harley-Davidson, you'll need the proper adapter to transition from your stock oil filter housing. This nipple ensures a seamless, leak-free connection between your existing engine block...07130081- 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: -
PRO-ONE PERF.MFG. Oil Cooler Kit with Temperature Gauge- Black - 1"- 1-1/4" 201110B
PRO-ONE PERF.MFG.
$351.95Engine heat is the silent killer of performance—uncontrolled oil temperatures rob your engine of horsepower, reduce viscosity, and accelerate wear on critical components. The PRO-ONE PERF.MFG. Oil Cooler Kit gives you precision thermal management with...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
$351.95 -
PRO-ONE PERF.MFG. Oil Cooler Kit with Temperature Gauge - 1"- 1-1/4" 201110
PRO-ONE PERF.MFG.
$351.95High engine temperatures compromise oil viscosity and reduce bearing protection—an oil cooler is essential for sustained performance and engine longevity. The PRO-ONE Oil Cooler Kit delivers efficient thermal management with a compact, frame-mounted...07130052- SKU:
- 07130052
- Availability:
- Ships Same Business Day
- Weight:
- 3.26 LBS
- FOR FRAME TUBE DIAMETER METRIC:
- 25.4 MM - 31.8 MM
- BASE FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER IMPERIAL:
- 2-1/4'
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- FEATURES:
- WITH TEMPERATURE GAUGE
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1' - 1-1/4'
- LENGTH IMPERIAL:
- 12'
- LENGTH METRIC:
- 305 MM
- OUTSIDE DIAMETER METRIC:
- 57.2 MM
- PRODUCT NAME:
- OIL COOLER KIT
- UNITS:
- EACH
$351.95 -
JAGG OIL COOLERS Oil Filter Adapter Service Kit SK4550
JAGG OIL COOLERS
$10.95Service kit includes two replacement O-rings for 4550 oil filter adapter and instructions07130217- SKU:
- 07130217
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL FILTER
- UNITS:
- SET
- PRODUCT NAME:
- O-RING SET
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
JAGG OIL COOLERS Oil Filter Adapter - EVO 4500
JAGG OIL COOLERS
$129.95If you're running a modern Sportster and want reliable engine cooling without compromising oil flow, the JAGG EVO 4500 Oil Filter Adapter is essential infrastructure for your oil cooler system. This billet aluminum adapter installs between your stock oil...07130253- SKU:
- 07130253
- Availability:
- Ships Same Business Day
- Weight:
- 0.91 LBS
- BASE COLOR:
- SILVER
- BASE FINISH:
- ANODIZED
- COLOR/FINISH:
- GUNMETAL
- FEATURES:
- WITHOUT GAUGE
- MATERIAL:
- BILLET ALUMINUM
- PRODUCT NAME:
- ADAPTER
- RIDING STYLE:
- STREET
- TYPE:
- OIL FILTER
- COLOR/FINISH:
- BLACK
- STYLE:
- EVO
- UNITS:
- EACH
$129.95Qty in Cart: 0Quantity:Price:$129.95Subtotal: -
JAGG OIL COOLERS Viscosity Regulated Flow Actuator Kit AK4700-VRF
JAGG OIL COOLERS
$15.95Cold starts waste time and stress your engine. The JAGG OIL COOLERS Viscosity Regulated Flow Actuator Kit upgrades your existing Jagg 4700 adapter to intelligent VRF technology, automatically bypassing the cooler during warm-up and engaging full cooling...07130254- SKU:
- 07130254
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- FEATURES:
- WITHOUT GAUGE
- RIDING STYLE:
- STREET
- STYLE:
- VISCOSITY REGULATED FLOW (VRF)
- TYPE:
- OIL FILTER
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- ACTUATOR KIT
$15.95 -
JAGG OIL COOLERS Oil Filter Adapter 4550
JAGG OIL COOLERS
$149.95Managing oil temperature is critical for engine longevity and consistent performance, especially in high-demand racing and modified applications. The JAGG 4550 Oil Filter Adapter simplifies oil cooler integration by providing a clean, centralized point...07130145- SKU:
- 07130145
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- PRODUCT NAME:
- ADAPTER
- RIDING STYLE:
- STREET
- TYPE:
- OIL FILTER
- UNITS:
- EACH
$149.95Qty in Cart: 0Quantity:Price:$149.95Subtotal: -
JAGG OIL COOLERS Automatic By-Pass Valve 4050
JAGG OIL COOLERS
$99.95Oil coolers are essential for high-performance applications, but they can restrict flow during cold starts and cool-weather operation, extending engine warm-up times and reducing efficiency. The JAGG 4050 Automatic By-Pass Valve solves this problem by...07130069- SKU:
- 07130069
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- TYPE:
- AUTOMATIC
- PRODUCT NAME:
- BYPASS VALVE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$99.95Qty in Cart: 0Quantity:Price:$99.95Subtotal:
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.
