Fitment guide · 2026 Beta 430 RS 4-stroke (US) · 430 RS 4-stroke (2026)

COOLING SYSTEM

34 parts on this diagram · 430 RS 4-stroke (2026)

Diagram #	OEM number	Part	Qty	Fitment
1	037.39.032.82.00	RADIATOR	—	Where it's used
2	049.39.009.82.00	RADIATOR 4T	—	Where it's used
3	037.39.036.00.00	RADIATOR CAP 4T	—	Where it's used
4	15.15240.000	CLAMP 16/27	—	Where it's used
5	020.39.008.00.00	SELF LOCKING CLAMP, 24	—	Where it's used
6	020.39.009.00.00	SELF LOCKING CLAMP, 17	—	Where it's used
7	037.39.037.22.00	ELECTRIC FAN BRACKET	—	Where it's used
8	037.39.013.00.00	RADIATOR HOSE RR 4T	—	Where it's used
9	037.39.035.00.00	THERMOSTAT HOSE RR 4T	—	Where it's used
10	C24.89.004.00.00	SCREW 3,9X22 DIN7981-F	—	Where it's used
11	037.39.006.82.00	THERMOSTAT CASE RR	—	Where it's used
12	037.39.012.00.00	THERMOSTAT HOSE RR 4T	—	Where it's used
13	020.39.013.00.00	TERMOSTAT RR 4T MY'10	—	Where it's used
14	10.66830.000	O-RING	—	Where it's used
15	037.39.018.82.00	WATER HOSE	—	Where it's used
16	040.39.000.00.00	WATER HOSE RR 2T	—	Where it's used
17	037.39.029.00.97	RADIATOR LOUVER PAIR RED RR	—	Where it's used
18	035.39.006.00.00	SILENT BLOCK	—	Where it's used
19	27.43250.000	WASHER 6.24	—	Where it's used
20	11.47015.000	BOLT 6.12 RS CH8	—	Where it's used
21	037.39.006.80.00	THERMOSTAT RR 4T	—	Where it's used
22	037.39.015.00.00	CAP	—	Where it's used
23	037.39.019.82.00	WATER HOSE	—	Where it's used
24	037.39.017.00.00	T COUPLING	—	Where it's used
25	031.40.032.00.00	TEMPERATURE SENSOR	—	Where it's used
26	14.01040.000	ELECTRIC FAN REV 50/80	—	Where it's used
28	037.39.016.00.00	ELECTRIC FAN BRACKET	—	Where it's used
29	18.01596.000	ELECTRIC EQUIPMENT	—	Where it's used
30	AB-22149-4	4 Stroke Fan Kit, 2022+ RR/RR-S	—	Where it's used
31	C07.16.005.00.00	TIE WRAP D25	—	Where it's used
32	C07.16.007.00.00	TIE WRAP D26	—	Where it's used
33	037.40.147.00.00	RELAY WIRING HARNESS	—	Where it's used
34	31.79960.000	SCREW, 6X15	—	Where it's used
35	27.33830.000	RIVET 3,9.11	—	Where it's used