Dennis Kirk Inc.

Flat Black Oil Cooler Kit - DY-1F

  • Part #:
  • Mfg Part #:

Flat Black Oil Cooler Kit - DY-1F

  • Part #:
  • Mfg Part #:
MSRP: $499.00

Price: $449.10 10% off!
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Ultracool Flat Black Oil Cooler Kit - DY-1F
  • Specially designed aluminum heat exchanger with turbulators for maximum heat dissipation
  • Sealed 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
  • Plug-and-play wiring harness with relay and waterproof connectors that all connects to the battery under the seat for simple installation
  • Black nylon-coated stainless steel braided oil lines with AN6 fittings
  • L.E.D. indicator light indicates when the fans are operating. (toggle or clamp handlebar LED mounts sold separately)
  • Specially designed oil line fitting wrench
  • Has the ability to drop your oil temperature up to 50°F
  • May cause damage on lowered or modified suspension
  • Complete kits; ready to install


1. Will not fit with water cooled heads
2. May not fit with engine guard
3. Will not fit with ABS mounted in the front down tubes
4. May cause damage with lowered or modified suspension.


Included Items:

(1) Chrome oil cooler assembly

(1) Oil adapter with wire

(1) Black steel mounting bracket

(1) 11-1/4" Black braided oil line with (2) 45 degree fittings

(1) 11-1/2" Black braided oil line with (2) 90 degree fittings

(2) Split rubber hoses

(1) Wiring harness with (1) #5 fuse, (1) Ring terminal, (1) 2-pin female connector, (1) male bullet connector, (1) female bullet connector  and (1) 2-pin male connector

(6) Cable ties

(1) Chrome steel fitting wrench

(1) Chrome adapter key

(1) Threaded bushing

(1) Test jumper

(1) Tube threadlocker

(1) Indicator light wiring harness

(1) Ring terminal

(1) Spade connector

(1) Bullet connector

(1) Wire tap


Mfg #: DY-1F
Part #: 4903673
Type Oil Cooler
Units Each
Weight 7.35 lbs
Resources & Manuals
Fitment for Ultracool Flat Black Oil Cooler Kit - DY-1F

Part 4903673 fits the following machines


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