OPGI.com works best with JavaScript enabled.

As seen on

  • Lokar Car Show Series Logo
  • Barret Jackson Logo

Lectric Limited

Resistor, Blower Motor, 1971-75 Riviera, 1975 Grand Prix, 4-Prong

Part# : GP30136
Sold As: Each
Ship Size: Standard
$17.99
List Price: $20.95
You Save 14%
Calendar IconArriving Soon
Vehicle Specific View fitment for 2 models
Add To Wishlist 

1971–75 Riviera & 1975 Grand Prix Blower Motor Resistor

Replacement resistor for the original heater and A/C blower-speed circuit.

This replacement blower-motor resistor provides the resistance used by the heater or A/C fan-speed circuit. Match the electrical connector and mounting arrangement to the original resistor so the blower switch can operate the intended fan speeds. The resistor replaces the electrical component only; the blower motor and control switch are not included.

• Fitment: 1971–75 Riviera & 1975 Grand Prix • Four-prong electrical connection • Function: Blower fan-speed resistance • Reference part number: 3998401 • Match original connector and mounting arrangement

We aim to provide accurate and complete product information. If you notice anything incorrect, missing, or unclear, please let us know.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1971–1975 Buick Riviera (4-prong)
1975 Pontiac Grand Prix Grand Prix (4-prong)
  • Headshot of OPGI Employee
    Need help finding the right GM restoration parts? Contact a GM Parts Specialist
    Mon–Fri 8:00–4:30 PT
    Sat 10:00–3:00 PT
    GM Parts Specialist Offline
  • Price Match Guarantee Great parts. Competitive prices. Guaranteed.
  • GM Restoration Experts Since 1982 Over four decades dedicated to GM restoration
  • Original GM Is Our Standard Original GM parts and factory references guide every reproduction
  • A Deeper GM Selection Thousands of restoration, performance, and replacement parts

Customers Who Viewed This Item Also Viewed

Reviews (0)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.
Resistor, Blower Motor, 1971-75 Riviera, 1975 Grand Prix, 4-Prong
Lectric Limited Resistor, Blower Motor, 1971-75 Riviera, 1975 Grand Prix, 4-Prong