Car Parts Discount

GMC K3500 Relay

Great cars and trucks like your K3500 need great parts.

Select Your VehicleIt's not a regular occurrence that you realize that you have to buy a replacement Relay to repair your automobile. When your GMC K3500 was born, it was destined for a person with discerning taste who values longevity in their automobile. Make no mistake, you didn't buy your K3500 unless you knew that you wanted horsepower and rugged design both rolled up into one vehicle. While it may not be difficult to locate replacement parts for GMC vehicles, these days only the absolute best are required to repair your car or truck.

Don't go too long without fixing your Relay... here's why.

A relay represents a switch that can be used electrically. Electromechanical relays are the most common ones on the market. They do their job by making use of electromagnets that put into motion the entire set of contacts to make or break circuits. Relays also help you to perform your GMC K3500 logical car functions and inputs. If your GMC K3500 doesn't start when you activate the ignition, and if the engine light doesn't switch "ON" and "OFF", it is an indication that the main relay is broken. You can repair it, or buy a new one in case you prefer a faster solution.

Time has come... make your purchase while supplies last.

Get your K3500 back on the road with the highest quality new or rebuilt parts from the experts at Car Parts Discount. Don't let a Relay repair spell the end of your car, truck, or SUV, and don't risk lowering its resale value by installing anything but the best repair parts. Buy all the car parts you will ever need from carpartsdiscount.com and save time and money on all your upcoming repairs. When it comes to GMC K3500 Relay parts, you can find them for 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1986, 1985, 1984, 1983, 1982, 1981, 1980, 1979 models by clicking the appropriate year below.

Info: Select your make and model in the red title bar above so we can show the parts you need.
GMC K3500 Engine Cooling Fan Motor Relay, OEM: 15-81106/1581106ACDelco
1995-2000 GMC K3500 ACDelco Engine Cooling Fan Motor Relay 15-81106
3.55, Save 40%   NEW ITEM
OEM: 15-81106, Item: 886005
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 HVAC Blower Motor Relay Connector, OEM: PT2068ACDelco
1979-1986 GMC K3500 ACDelco HVAC Blower Motor Relay Connector PT2068
4.15, Save 39%   NEW ITEM
OEM: PT2068, Item: 695563
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

ACDelco
1995-2000 GMC K3500 ACDelco Engine Cooling Fan Motor Relay 13503102
5.15, Save 40%   NEW ITEM
OEM: 13503102, Item: 1423186
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Starter Relay, OEM: RY116TSMP
1988-1994 GMC K3500 SMP Starter Relay RY116T
5.25, Save 40%   NEW ITEM
OEM: RY116T, Item: 649080
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Horn Relay, OEM: HR151TSMP
1979-1986 GMC K3500 SMP Horn Relay HR151T
5.55, Save 40%   NEW ITEM
OEM: HR151T, Item: 775691
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: RY280SMP
1995-2000 GMC K3500 SMP Multi-Purpose Relay RY280
5.55, Save 39%   NEW ITEM
OEM: RY280, Item: 317734
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: RY116SMP
1988-1994 GMC K3500 SMP Multi-Purpose Relay RY116
6.05, Save 40%   POPULAR
OEM: RY116, Item: 317665
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 A/C Compressor Control Relay, OEM: D1741CACDelco
1995-2000 GMC K3500 ACDelco A/C Compressor Control Relay D1741C
7.45, Save 39%   NEW ITEM
OEM: D1741C, Item: 899739
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Blower Motor Cut-Off Relay, OEM: RY117TSMP
1984-1986, 1988-1990 GMC K3500 SMP Blower Motor Cut-Off Relay RY117T
7.45, Save 39%   NEW ITEM
OEM: RY117T, Item: 776140
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: HR151SMP
1979-1986 GMC K3500 SMP Multi-Purpose Relay HR151
7.55, Save 39%   NEW ITEM
OEM: HR151, Item: 316081
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Fuel Injection Main Relay Connector, OEM: S-654/S654SMP
1988-1995 GMC K3500 SMP Fuel Injection Main Relay Connector S-654
7.75, Save 39%   NEW ITEM
OEM: S-654, Item: 1100744
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: RY232SMP
1995-2000 GMC K3500 SMP Multi-Purpose Relay RY232
7.95, Save 39%  
OEM: RY232, Item: 317715
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: RY604SMP
1995-2000 GMC K3500 SMP Multi-Purpose Relay RY604
8.15, Save 40%   NEW ITEM
OEM: RY604, Item: 317835
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: RY115SMP
1988-1995 GMC K3500 SMP Multi-Purpose Relay RY115
8.35, Save 39%   NEW ITEM
OEM: RY115, Item: 317664
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: RY83SMP
1985-1986 GMC K3500 SMP Multi-Purpose Relay RY83
8.35, Save 39%   NEW ITEM
OEM: RY83, Item: 317868
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Engine Cooling Fan Motor Relay, OEM: D1786CACDelco
1995-2000 GMC K3500 ACDelco Engine Cooling Fan Motor Relay D1786C
8.95, Save 39%  
OEM: D1786C, Item: 899747
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Engine Cooling Fan Motor Relay, OEM: 35927Four Seasons
1988-1994, 1996 GMC K3500 Four Seasons Engine Cooling Fan Motor Relay 35927
8.95, Save 39%   NEW ITEM
OEM: 35927, Item: 1015626
  Only 8 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Function Relay, OEM: RY109TSMP
1988-1995 GMC K3500 SMP Multi-Function Relay RY109T
8.95, Save 40%   NEW ITEM
OEM: RY109T, Item: 776138
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 HVAC Blower Motor Relay, OEM: RY-12/RY12SMP
1979 GMC K3500 SMP HVAC Blower Motor Relay RY-12
9.05, Save 39%   NEW ITEM
OEM: RY-12, Item: 1099503
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Engine Cooling Fan Motor Relay, OEM: 35906Four Seasons
1985-1986, 1988-1989 GMC K3500 Four Seasons Engine Cooling Fan Motor Relay 35906
9.25, Save 39%   NEW ITEM
OEM: 35906, Item: 1015610
  Only 8 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: RY121SMP
1985 GMC K3500 SMP Multi-Purpose Relay RY121
9.25, Save 39%   NEW ITEM
OEM: RY121, Item: 317670
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Pulse Wiper Relay, OEM: D1780CACDelco
1995-2000 GMC K3500 ACDelco Pulse Wiper Relay D1780C
9.25, Save 40%   NEW ITEM
OEM: D1780C, Item: 899746
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Horn Relay, OEM: D1776ACDelco
1979-1981, 1983-1985 GMC K3500 ACDelco Horn Relay D1776
9.95, Save 39%   NEW ITEM
OEM: D1776, Item: 899744
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Temperature Control Relay, OEM: RY-232T/RY232TSMP
1995-2000 GMC K3500 SMP Temperature Control Relay RY-232T
9.95, Save 39%   NEW ITEM
OEM: RY-232T, Item: 1208289
  Only 9 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Coolant Fan Relay, OEM: RY242TSMP
1988-2000 GMC K3500 SMP Coolant Fan Relay RY242T
10.35, Save 39%   NEW ITEM
OEM: RY242T, Item: 776150
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: RY601SMP
1995-2000 GMC K3500 SMP Multi-Purpose Relay RY601
10.55, Save 40%   NEW ITEM
OEM: RY601, Item: 317832
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 A/C Control Relay, OEM: RY282TSMP
1994-2000 GMC K3500 SMP A/C Control Relay RY282T
10.75, Save 39%   NEW ITEM
OEM: RY282T, Item: 776154
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Engine Cooling Fan Motor Relay, OEM: 36010Four Seasons
1995-2000 GMC K3500 Four Seasons Engine Cooling Fan Motor Relay 36010
10.75, Save 39%   NEW ITEM
OEM: 36010, Item: 1015670
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 HVAC Blower Motor Cutout Relay, OEM: 35777Four Seasons
1979-1986 GMC K3500 Four Seasons HVAC Blower Motor Cutout Relay 35777
10.75, Save 39%   NEW ITEM
OEM: 35777, Item: 611852
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Emergency Vehicle Lamp Relay, OEM: SS613TSMP
1979-1986, 1988-2000 GMC K3500 SMP Emergency Vehicle Lamp Relay SS613T
11.55, Save 39%   NEW ITEM
OEM: SS613T, Item: 776245
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Aux Engine Cooling Fan Relay, OEM: RY531TSMP
1996 GMC K3500 SMP Aux Engine Cooling Fan Relay RY531T
12.15, Save 40%   NEW ITEM
OEM: RY531T, Item: 776168
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi Purpose Relay, OEM: RY109SMP
1988-1995 GMC K3500 SMP Multi Purpose Relay RY109
12.15, Save 40%   NEW ITEM
OEM: RY109, Item: 317659
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 HVAC Blower Motor Cutout Relay, OEM: RY-117/RY117SMP
1984-1986, 1988-1990 GMC K3500 SMP HVAC Blower Motor Cutout Relay RY-117
12.45, Save 39%   NEW ITEM
OEM: RY-117, Item: 1099573
  Only 6 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 HVAC Blower Motor Relay, OEM: RY-242/RY242SMP
1988-2000 GMC K3500 SMP HVAC Blower Motor Relay RY-242
13.45, Save 39%   NEW ITEM
OEM: RY-242, Item: 1099656
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: RY282SMP
1994-2000 GMC K3500 SMP Multi-Purpose Relay RY282
14.55, Save 40%  
OEM: RY282, Item: 317735
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: RY531SMP
1994-2000 GMC K3500 SMP Multi-Purpose Relay RY531
14.55, Save 39%   NEW ITEM
OEM: RY531, Item: 317821
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Mass Air Flow Sensor Relay, OEM: 15-8240/158240ACDelco
1988-1995 GMC K3500 ACDelco Mass Air Flow Sensor Relay 15-8240
14.65, Save 39%   NEW ITEM
OEM: 15-8240, Item: 886026
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Emergency Vehicle Light Relay, OEM: SS-613/SS613SMP
1979-1986, 1988-2000 GMC K3500 SMP Emergency Vehicle Light Relay SS-613
15.15, Save 39%   NEW ITEM
OEM: SS-613, Item: 1103052
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Door Lock Relay, OEM: 12088594ACDelco
1988-1994 GMC K3500 ACDelco Door Lock Relay 12088594
15.25, Save 39%  
OEM: 12088594, Item: 896210
  Only 6 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Roof Mount

GMC K3500 Engine Control Module Wiring Relay, OEM: 13502674ACDelco
1988-1994 GMC K3500 ACDelco Engine Control Module Wiring Relay 13502674
15.25, Save 39%   NEW ITEM
OEM: 13502674, Item: 896754
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Diesel Glow Plug Relay, OEM: SS591TSMP
1982-1984 GMC K3500 SMP Diesel Glow Plug Relay SS591T
15.85, Save 39%   NEW ITEM
OEM: SS591T, Item: 776242
  Only 9 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi Purpose Relay Connector, OEM: PT2318ACDelco
1985-1986, 1992-1999 GMC K3500 ACDelco Multi Purpose Relay Connector PT2318
16.85, Save 39%   UPDATED
OEM: PT2318, Item: 695582
  Only 4 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Auxiliary

GMC K3500 HVAC Blower Motor Relay, OEM: RY-23/RY23SMP
1979-1983 GMC K3500 SMP HVAC Blower Motor Relay RY-23
17.65, Save 39%   NEW ITEM
OEM: RY-23, Item: 1099508
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Door Lock Relay, OEM: RY-246/RY246SMP
1992-1999 GMC K3500 SMP Door Lock Relay RY-246
18.15, Save 39%   NEW ITEM
OEM: RY-246, Item: 1099657
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 HVAC Blower Motor Relay, OEM: 35742Four Seasons
1995-2000 GMC K3500 Four Seasons HVAC Blower Motor Relay 35742
21.85, Save 39%   NEW ITEM
OEM: 35742, Item: 611839
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 HVAC Blower Motor Relay, OEM: 35742Four Seasons
1995-2000 GMC K3500 Four Seasons HVAC Blower Motor Relay 35742
21.85, Save 39%   NEW ITEM
OEM: 35742, Item: 1015555
  Only 5 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Multi-Purpose Relay, OEM: HP4655SMP
1994-2000 GMC K3500 SMP Multi-Purpose Relay HP4655
23.45, Save 39%   NEW ITEM
OEM: HP4655, Item: 335022
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Auxiliary

GMC K3500 Brake Light Relay, OEM: RY536SMP
1982-1986, 1988-1999 GMC K3500 SMP Brake Light Relay RY536
23.85, Save 39%   NEW ITEM
OEM: RY536, Item: 337073
  Only 4 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Diesel Glow Plug Relay, OEM: SS-591/SS591SMP
1982-1984 GMC K3500 SMP Diesel Glow Plug Relay SS-591
23.85, Save 39%   NEW ITEM
OEM: SS-591, Item: 1103047
  Only 3 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 HVAC Blower Motor Connector, OEM: PT731ACDelco
2000 GMC K3500 ACDelco HVAC Blower Motor Connector PT731
25.25, Save 39%   NEW ITEM
OEM: PT731, Item: 901307
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

ACDelco
1994-2000 GMC K3500 ACDelco Electronic Brake Control Relay 19118886
26.25, Save 39%   NEW ITEM
OEM: 19118886, Item: 1215746
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

Vehicle Install Locations: Roof Mount

GMC K3500 Multi Purpose Relay, OEM: RY333SMP
1979-1986, 1988-2000 GMC K3500 SMP Multi Purpose Relay RY333
33.95, Save 39%   NEW ITEM
OEM: RY333, Item: 317758
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Diesel Glow Plug Relay, OEM: RY-383/RY383SMP
1994-2000 GMC K3500 SMP Diesel Glow Plug Relay RY-383
39.15, Save 39%   NEW ITEM
OEM: RY-383, Item: 1099742
  In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Wiring Relay, OEM: RY-238/RY238SMP
1992-1996 GMC K3500 SMP Wiring Relay RY-238
50.35, Save 39%   NEW ITEM
OEM: RY-238, Item: 1099654
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Anti-Theft Relay, OEM: 15-8264/158264ACDelco
1990-1994 GMC K3500 ACDelco Anti-Theft Relay 15-8264
51.75, Save 39%   NEW ITEM
OEM: 15-8264, Item: 886027
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Daytime Running Light Relay, OEM: DRL1SMP
1985-1986, 1988-1989 GMC K3500 SMP Daytime Running Light Relay DRL1
77.85, Save 39%   NEW ITEM
OEM: DRL1, Item: 314890
  Only 1 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

ACDelco
1994-2000 GMC K3500 ACDelco Diesel Glow Plug Relay 212-366
108.15, Save 39%   NEW ITEM
OEM: 212-366, Item: 887863
  Only 2 left In Stock, Usually ships within 1 business day
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Engine Cooling Fan Motor Relay, OEM: RY83TSMP
1985-1986 GMC K3500 SMP Engine Cooling Fan Motor Relay RY83T
7.75, Save 39%   NO STOCK
OEM: RY83T, Item: 649116
  Restock date not known
Select year, make, model above to verify this part fits your vehicle

GMC K3500 HVAC Blower Relay, OEM: 1711264GPD
1979-1986, 1988-1990 GMC K3500 GPD HVAC Blower Relay 1711264
12.75, Save 39%   NO STOCK
OEM: 1711264, Item: 1266179
  Restock date not known
Select year, make, model above to verify this part fits your vehicle

GMC K3500 Fuel Pump Relay Connector, OEM: PT1115ACDelco
1988-1995 GMC K3500 ACDelco Fuel Pump Relay Connector PT1115
36.95, Save 39%   NO STOCK
OEM: PT1115, Item: 901361
  Restock date not known
Select year, make, model above to verify this part fits your vehicle