For riders who push small-displacement dirt bikes hard, an oil cooler is a smart upgrade to improve cooling, reduce engine wear, and extend service life. This guide presents five reliable oil coolers that fit popular pit bike models from 50cc to 150cc. The right choice depends on your bike’s engine type, mounting space, and riding conditions. Below is a quick summary to help you compare options at a glance.
| Product | Best For | Why It Stands Out |
|---|---|---|
| TIRGE Oil Cooler | 50cc–150cc PIT PRO Dirt/ATV | Long life, high toughness, professional manufacturing |
| USTPO Universal Black Oil Cooler | Broad compatibility, compact setups | Universal fit, good thermal conductivity |
| PSLER Dirt Bike Oil Cooler | 50cc–140cc dirt bikes | Aluminum, lightweight, effective heat dissipation |
The following products are selected for their relevance to common pit bike configurations and their balance of cooling performance, durability, and installability. Each entry follows a consistent format to help you compare quickly and make an informed decision.
TIRGE Oil Cooler for Pit Bikes
Brand: TIRGE. This cooler is designed to fit 50cc to 150cc PIT PRO trail dirt, providing long life and dependable performance. It is described as high toughness with no deformation over extended use, and manufactured by a professional company for quality assurance. Best for riders who need a sturdy, purpose-built solution for smaller bikes with consistent overheating concerns. A noted limitation is that the product data don’t specify a universal mounting pattern, so verify fitment with your exact model before purchase.
USTPO Universal Black Oil Cooler Kit
Brand: USTPO. This universal cooler targets a wide range of 50cc–140cc horizontal engines, including Loncin, Zongshen, Lifan, and more. It emphasizes effective cooling and good thermal conductivity thanks to an aluminum alloy body. Best for riders seeking a universal option that can fit multiple bikes, or for those who want a compact cooling solution. Cautions: universal fit means you must confirm mounting hole spacing and clearance on your bike.
USTPO Red Oil Cooler Kit
Brand: USTPO. Similar universal design aimed at 50cc–140cc pit bikes, with emphasis on cooling efficiency and aluminum construction for light weight and durability. Best for riders who want a color option (red) in addition to the black model, or who prefer a kit that highlights rapid heat dissipation. Limitation: as a universal kit, compatibility should be confirmed for specific mounting points on non-standard frames.
PSLER Dirt Bike Oil Cooler
Brand: PSLER. This cooler is marketed for KLX110 and similar 50/110/125/140cc dirt bikes and ATVs. It uses engine oil as the cooling medium and features aluminum construction for light weight and heat dissipation. Best for riders who want a compact, lightweight cooler with decent thermal performance. A potential caveat is that some listings emphasize compatibility with multiple small-bike models, so checking exact mounting compatibility is advised.
USTPO Gold Universal Oil Cooler
Brand: USTPO. A gold variant of the universal cooler for similar 50cc–140cc engines, focusing on universal fit and effective cooling via aluminum construction. Best for riders who want an additional color option or want to match a bike’s aesthetics. Limitation: universal modules may require additional brackets or hardware for a secure mount on some frames.
ABCERRSI Oil Cooler for 50–140cc Dirt Bikes
Brand: ABCERRSI. This blue-colored cooler targets 50cc–140cc ATV and dirt bikes, with aluminum construction that offers lightweight, durable heat dissipation. Best for riders seeking a durable aluminum cooler with four-layer heat dissipation for robust cooling. Limitation: listed size details may require careful fit checks for precise mounting on some frames.
Buying Guide: Key Considerations
- Engine compatibility: Confirm the cooler’s mounting holes and overall size match your bike’s frame and engine model (50cc–150cc range covers many pit bikes).
- Cooling performance: Aluminum construction and fin design improve heat transfer; larger cores generally cool more effectively but require more space.
- Mounting practicality: Check for compatible brackets, hose connections, and clearance around exhaust, radiator, and engine components.
- Durability and weight: Lightweight aluminum coolers reduce stress on frames while resisting corrosion from exposed riding conditions.
- Aesthetics vs. function: Color variants or black/gold finishes may matter for bike styling; prioritize cooling effectiveness if performance is the primary goal.
Frequently Asked Questions
- Do pit bike oil coolers fit every 50cc–150cc bike?
– Most universal models fit a wide range, but you should confirm mounting hole spacing and available space on your bike. - Will an oil cooler improve reliability on hot days?
– Yes, by helping maintain consistent engine oil temperatures and reducing thermal stress on components. - Can I install an oil cooler myself?
– DIY installation is common, but ensure proper hose routing, secure brackets, and leak-free connections. - Is aluminum the best material for oil coolers?
– Aluminum offers good thermal conductivity and light weight, which balances performance and ease of mounting. - Are colored oil coolers purely cosmetic?
– Color variants exist, but core performance depends on core size, core design, and mounting integrity.