71R1702 Red Dot Relay SPST 12V 40/20 Amp (5-Terminal)

The Red Dot 71R1702 Relay is a heavy-duty SPST (Single Pole Single Throw) relay designed for 12-volt mobile HVAC and vehicle electrical systems where dependable switching under load is critical. Built to handle 40/20 amp circuits, this relay is commonly used in blower, control, and auxiliary power applications across trucks and off-highway equipment.

Its 5-terminal configuration with standard 1/4″ male blade terminals allows easy integration into existing wiring harnesses. The compact footprint makes it ideal for crowded relay centers and electrical panels without sacrificing performance or durability.

• Part Type: Relay

• Red Dot Part No.: 71R1702

• Factory Number: RD-5-4417-0P

• Voltage Rating: 12V

• Current Rating: 40/20 Amp

• Pole: SPST (Single Pole Single Throw)

• Terminal / Harness: 5-Terminal

• Terminal Type: 1/4″ Male Blade

Dimensions

• Base Length: 1-1/8″

• Base Width: 1″

• Overall Length: 2.05″

• Blade Length: 1/2″

Features & Benefits

• SPST design for reliable high-current switching

• 40/20A capacity for blower and control circuits

• Standard 1/4″ blade terminals for easy harness integration

• Compact size for tight electrical panels

• Built for mobile HVAC and heavy-duty vehicle environments

Cross Reference Numbers

Texas Truck A/C: 850-7751, 850-7751A
AirSource / MEI: 1250, 1250B
Alliance: ABP N83 302190, 320000, 320140, 320190, 320230
Altair: 896H-1CH-C1S12VDC
Bergstrom: 650687, 651150, 652420
Blue Bird: 90192
Climatech: CB1000, CB1110, CB1115
CoolCab: 901601, 901602
CoolStar / MEI: 940-1220
Euclid: E-807509, E-807511, E-807517, E-807518, E-807533
Everco HD: 901604, 901631
Fleetrite: ZGG16520
Ford New Holland: 86505793
Four Seasons: 35913, 35989
Freightliner: 332-204-101, A22-011101-022, BSM322035, CB1005
GM: 2098912
Kysor: 2099003, 2099013 (Old: 223168)
Mack: 2MR2014, 3486-70-118-09-003, 3917-65885-C2, 7979-221568, 7979-221655
Mobile Climate Control: 10-00286-01, 10-00286-03, 112-007, 112-008, 201-801
Motivair: 27395, 33604, 44581, 44585
Murray: 208765, 208864
Navistar: 1661270-C92, 1691730-C91
Omega: 30-13300
PACCAR: 652420BSM, K301-162
Primatech: PTAC1250, PTAC1250B
Red Dot (Aftermarket): 71R1702
Red Dot (Factory): RD-5-4408-0P
Roadforce: RF5816511910, RF5966524926
Thermo King: 44-9111
Trans Air: 221568
TRP / Climatech: CB10050, CB10800, CB11150
Truck Air / MEI: 11-3002B, 44867
TruckAC+: T5289
TTA/C: 13-4500
Volvo: 176252, 176287, 176569, 3918212, 3949682
Western Star: 0332-204-125, 0332-204-150

Interchange Numbers

00090192, 0332-204-125, 0332-204-150, 1-4275, 1-6292, 1-6520, 1-6524, 1250, 1661270C92, 1691730C91, 176252, 176287, 176569, 208765, 2098912, 2099003, 2099013, 221568, 221655, 232-8406, 236-5069, 2MR2014, 35913, 35989, 3918212, 3949682, 4379-RD544080, 4379-RD544080P, 650687, 651150, 652420, 652420BSM, 71R1702, 7979-221568, 7979-221655, 850-7751, 86505793, 940-1220, A22-011101-022, ABP N83 302190, ABP N83 320140, ABP N83 320190, ABP N83 320230, CB10050, CB10800, CB11150, RDHRD544080P, RDT71R1702, SWI5720, ZGG16520