What role do relays play in the operation of electrical accessories on Honda Civic?

In the vehicle, there are a number of electrical accessories that include, the fuel injection system, horns, starter, and fog lamps that employ relay to transfer electrical signals to the gadgets. A relay employs a low current control circuit which when activated switches on or off a high current power circuit. A defective relay will cause the associated component to function in an unexpected manner. Almost all relays are usually installed in regions like the engine bay and interior fuse/relay boxes.

Genuine Honda Civic Relay

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56 Relays found

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Honda Civic Relay Assembly, Power (Micro Iso) (Mitsuba)
Part Number: 39794-SDA-A05
$21.63 MSRP: $30.81
You Save: $9.18 (30%)
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Product Specifications
- Other Name: Horn Relay; Relay
- Replaces: 39794-SDA-A01, 39794-SDA-A04
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2018 Honda Civic | 4 Door EX, 4 Door EX (Turbo), 4 Door Touring (Turbo) | KA CVT, KL CVT
- 2006-2015 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-L, 2 Door LX, 2 Door SI, 4 Door DX, 4 Door EX, 4 Door EX-L, 4 Door GX, 4 Door HF, 4 Door LX, 4 Door LX (AT), 4 Door LX-S, 4 Door MX, 4 Door MX (Hybrid), 4 Door SI | KA 5AT, KA 5MT, KA 6MT, KA CVT, KL 5AT, KL CVT
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Honda Civic Relay Assembly, Engine Control Module (Denso)
Part Number: 39794-SDA-902
$51.37 MSRP: $73.19
You Save: $21.82 (30%)
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Product Specifications
- Other Name: Ecm Relay; Relay
- Replaces: 39794-SDA-901
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2006-2015 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-L, 2 Door LX, 2 Door SI, 4 Door DX, 4 Door EX, 4 Door EX-L, 4 Door GX, 4 Door HF, 4 Door LX, 4 Door LX (AT), 4 Door LX-S, 4 Door MX, 4 Door MX (Hybrid), 4 Door SI | KA 5AT, KA 5MT, KA 6MT, KA CVT, KL 5AT, KL CVT
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Honda Civic Relay Assembly, Power (Micro Iso) (Denso)
Part Number: 39794-SDA-A02
$24.16 MSRP: $34.42
You Save: $10.26 (30%)
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Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2018-2020 Honda Civic | 4 Door EX, 4 Door EX (Turbo), 4 Door Touring (Turbo) | KA CVT, KL CVT
- 2006-2012 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-L, 2 Door LX, 2 Door SI, 4 Door DX, 4 Door EX, 4 Door EX-L, 4 Door HF, 4 Door LX, 4 Door LX (AT), 4 Door LX-S, 4 Door MX (Hybrid), 4 Door SI | KA 5AT, KA 5MT, KA 6MT, KA CVT, KL 5AT, KL CVT
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Honda Civic Relay Assembly, Power (Micro Iso) (Denso)
Part Number: 39794-T5A-J01
$29.99 MSRP: $42.72
You Save: $12.73 (30%)
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Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2016-2021 Honda Civic | 2 Door EX, 2 Door EX (Turbo), 2 Door EX (Turbo/6MT), 2 Door EX (Turbo/CVT), 2 Door LX, 2 Door LX (6MT), 2 Door LX (CVT), 2 Door SI, 2 Door Sport, 2 Door Sport (6MT), 2 Door Sport (CVT), 2 Door Touring, 2 Door Touring (Turbo), 4 Door EX, 4 Door EX (Turbo), 4 Door EX-A, 4 Door EX-T, 4 Door EX-TA, 4 Door EX-TL, 4 Door EX-TLA, 4 Door LX, 4 Door LX (6MT), 4 Door LX (CVT), 4 Door LX-A, 4 Door SE, 4 Door SI, 4 Door Sport, 4 Door Sport (6MT), 4 Door Sport (CVT), 4 Door Touring, 4 Door Touring (Turbo), 5 Door EX, 5 Door EX-L, 5 Door LX, 5 Door SE, 5 Door Sport, 5 Door Touring LE, 5 Door Type R, 5 Door Type R (Touring) | KA 6MT, KA CVT, KL CVT
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Honda Civic Relay Assembly, Turn Signal And Hazard (Mitsuba)
Part Number: 38300-S9A-003
$65.61 MSRP: $92.66
You Save: $27.05 (30%)
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Product Specifications
- Other Name: Turn Signal Flasher
- Replaces: 38300-S9V-A11, 38300-SB2-671, 38300-SE3-003, 38300-SE3-013, 38300-S5A-003, 38300-SV1-A11, 38300-SV1-A00, 38300-S9V-A01, 38300-S47-013, 38300-SE3-004, 38300-S5T-003, 38300-SA5-013, 38300-SA5-672, 38300-SV1-A01, 38300-SA5-003, 38300-SA5-004, 38300-SB2-672, 38300-S5T-004, 38300-SA5-671
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1982-2005 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-S, 2 Door HX, 2 Door LX, 2 Door SI, 3 Door (1300), 3 Door CX, 3 Door DX, 3 Door FE (1300), 3 Door GL (1500), 3 Door S, 3 Door SI, 3 Door STD, 3 Door VX, 4 Door (1500), 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door GL, 4 Door GX, 4 Door LX, 4 Door LX-CAR, 4 Door MX (Hybrid), 5 Door (Wagovan), 5 Door **, 5 Door 4WD, 5 Door DX, 5 Door WV | KA 3AT, KA 4AT, KA 4MT, KA 5MT, KA CVT, KA HMT, KH 4MT, KH 5MT, KH HMT, KL 3AT, KL 4AT, KL 4MT, KL 5MT, KL CVT, KL HMT, KR 5MT, KW 5MT
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Honda Civic Relay Assembly, Power (4P) (Rc-2226) (Brown) (Mitsuba)
Part Number: 39794-SL0-J01
$70.06 MSRP: $98.96
You Save: $28.90 (30%)
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Product Specifications
- Other Name: Relay; Power Relay, Relay Assembly
- Replaces: 39794-SE0-004, 39794-SL0-004, 39794-SE0-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1988-2005 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-S, 2 Door HX, 2 Door LX, 2 Door SI, 3 Door CX, 3 Door DX, 3 Door SI, 3 Door STD, 3 Door VX, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door GX, 4 Door LX, 4 Door LX-CAR, 4 Door MX (Hybrid), 5 Door (Wagovan), 5 Door 4WD, 5 Door DX | KA 4AT, KA 4MT, KA 5MT, KA CVT, KL 4AT, KL 4MT, KL 5MT, KL CVT, KR 5MT, KW 5MT
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Honda Civic Relay Assembly, Turn Signal And Hazard (Trico)
Part Number: 38300-S9V-A01
$65.61 MSRP: $92.66
You Save: $27.05 (30%)
ADD TO CART
Product Specifications
- Other Name: Turn Signal & Hazard Flasher
- Replaced by: 38300-S9A-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2004-2005 Honda Civic | 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door GX, 4 Door LX, 4 Door LX-CAR | KA 4AT, KA 5MT, KA CVT
- 1996-2002 Honda Civic | 2 Door DX, 2 Door EX, 2 Door HX, 2 Door LX, 2 Door SI, 3 Door CX, 3 Door DX, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door GX, 4 Door LX | KA 4AT, KA 5MT, KA CVT, KL 4AT, KL 5MT, KL CVT, KR 5MT, KW 5MT
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Honda Civic Relay Assembly, Power (4P) (056700-7250) (Denso)
Part Number: 39794-SE0-003
$70.06 MSRP: $98.96
You Save: $28.90 (30%)
ADD TO CART
Product Specifications
- Replaced by: 39794-SL0-J01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1988-2005 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-S, 2 Door HX, 2 Door LX, 2 Door SI, 3 Door CX, 3 Door DX, 3 Door SI, 3 Door STD, 3 Door VX, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door GX, 4 Door LX, 4 Door LX-CAR, 4 Door MX (Hybrid), 5 Door (Wagovan), 5 Door 4WD, 5 Door DX | KA 4AT, KA 4MT, KA 5MT, KA CVT, KL 4AT, KL 4MT, KL 5MT, KL CVT, KR 5MT, KW 5MT
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Honda Civic Relay Assembly, Turn Signal And Hazard (Front-3309) (Mitsuba)
Part Number: 38300-SE3-013
$65.61 MSRP: $92.66
You Save: $27.05 (30%)
ADD TO CART
Product Specifications
- Position: Front
- Replaced by: 38300-S9A-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2002 Honda Civic | 4 Door DX, 4 Door EX, 4 Door GX, 4 Door LX | KA 4AT, KA 5MT, KA CVT
- 1982-2000 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-S, 2 Door HX, 3 Door (1300), 3 Door CX, 3 Door DX, 3 Door S, 3 Door SI, 3 Door STD, 3 Door VX, 4 Door (1500), 4 Door DX, 4 Door EX, 4 Door GL, 4 Door GX, 4 Door LX, 5 Door (Wagovan), 5 Door 4WD, 5 Door DX, 5 Door WV | KA 3AT, KA 4AT, KA 4MT, KA 5MT, KA CVT, KA HMT, KH 4MT, KH 5MT, KH HMT, KL 3AT, KL 4AT, KL 4MT, KL 5MT, KL CVT, KL HMT, KR 5MT
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Honda Civic Relay Assembly, Power (4P) (Rc-2225) (Black) (Mitsuba)
Part Number: 39794-SL0-004
$70.06 MSRP: $98.96
You Save: $28.90 (30%)
ADD TO CART
Product Specifications
- Replaced by: 39794-SL0-J01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1992-2005 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-S, 3 Door CX, 3 Door DX, 3 Door SI, 3 Door VX, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door GX, 4 Door LX, 4 Door MX (Hybrid) | KA 4AT, KA 5MT, KA CVT, KL 4AT, KL 5MT, KL CVT
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Honda Civic Relay Assembly, Power (Micro Iso) (Omron)
Part Number: 39794-SDA-A03
$21.82 MSRP: $30.81
You Save: $8.99 (30%)
ADD TO CART
Product Specifications
- Other Name: Blower Motor Relay; Fuel Pump Relay, Horn Relay, Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2006-2021 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX (Turbo), 2 Door EX (Turbo/6MT), 2 Door EX (Turbo/CVT), 2 Door EX-L, 2 Door LX, 2 Door LX (6MT), 2 Door LX (CVT), 2 Door SI, 2 Door Sport, 2 Door Sport (6MT), 2 Door Sport (CVT), 2 Door Touring, 2 Door Touring (Turbo), 4 Door DX, 4 Door EX, 4 Door EX (Turbo), 4 Door EX-A, 4 Door EX-L, 4 Door EX-T, 4 Door EX-TA, 4 Door EX-TL, 4 Door EX-TLA, 4 Door GX, 4 Door HF, 4 Door LX, 4 Door LX (6MT), 4 Door LX (AT), 4 Door LX (CVT), 4 Door LX-A, 4 Door LX-S, 4 Door MX, 4 Door MX (Hybrid), 4 Door SE, 4 Door SI, 4 Door Sport, 4 Door Sport (6MT), 4 Door Sport (CVT), 4 Door Touring, 4 Door Touring (Turbo), 5 Door LX, 5 Door SE, 5 Door Sport | KA 5AT, KA 5MT, KA 6MT, KA CVT, KL 5AT, KL CVT
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Honda Civic Relay Assembly, Fuel Pump (Denso)
Part Number: 39794-SDA-004
$46.93 MSRP: $66.28
You Save: $19.35 (30%)
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Product Specifications
- Other Name: Fuel Pump Relay; Relay
- Replaces: 39794-SDA-003, 39794-SDA-305
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2006-2021 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX (Turbo), 2 Door EX (Turbo/6MT), 2 Door EX (Turbo/CVT), 2 Door EX-L, 2 Door LX, 2 Door LX (6MT), 2 Door LX (CVT), 2 Door SI, 2 Door Sport, 2 Door Sport (6MT), 2 Door Sport (CVT), 2 Door Touring, 2 Door Touring (Turbo), 4 Door DX, 4 Door EX, 4 Door EX (Turbo), 4 Door EX-A, 4 Door EX-L, 4 Door EX-T, 4 Door EX-TA, 4 Door EX-TL, 4 Door EX-TLA, 4 Door GX, 4 Door HF, 4 Door LX, 4 Door LX (6MT), 4 Door LX (AT), 4 Door LX (CVT), 4 Door LX-A, 4 Door LX-S, 4 Door MX, 4 Door MX (Hybrid), 4 Door SE, 4 Door SI, 4 Door Sport, 4 Door Sport (6MT), 4 Door Sport (CVT), 4 Door Touring, 4 Door Touring (Turbo), 5 Door EX, 5 Door EX-L, 5 Door LX, 5 Door SE, 5 Door Sport, 5 Door Touring LE, 5 Door Type R, 5 Door Type R (Touring) | KA 5AT, KA 5MT, KA 6MT, KA CVT, KL 5AT, KL CVT
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Honda Civic Relay Assembly, Power (5P) (Micro Iso) (Mitsuba)
Part Number: 39794-S10-003
$37.71 MSRP: $53.27
You Save: $15.56 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1998-2021 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX (Turbo), 2 Door EX-L, 2 Door HX, 2 Door LX, 2 Door LX (CVT), 2 Door SI, 2 Door Sport, 2 Door Sport (6MT), 2 Door Sport (CVT), 2 Door Touring, 2 Door Touring (Turbo), 3 Door SI, 4 Door DX, 4 Door EX, 4 Door EX (Turbo), 4 Door EX-L, 4 Door GX, 4 Door HF, 4 Door LX, 4 Door LX (6MT), 4 Door LX (AT), 4 Door LX (CVT), 4 Door LX-S, 4 Door MX, 4 Door MX (Hybrid), 4 Door SE, 4 Door SI, 4 Door Sport, 4 Door Sport (6MT), 4 Door Sport (CVT), 4 Door Touring, 4 Door Touring (Turbo), 5 Door EX, 5 Door EX-L, 5 Door LX, 5 Door SE, 5 Door Sport, 5 Door Touring LE, 5 Door Type R, 5 Door Type R (Touring) | KA 4AT, KA 5AT, KA 5MT, KA 6MT, KA CVT, KL 4AT, KL 5AT, KL 5MT, KL CVT, KW 5MT
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Honda Civic Relay Assembly (Micro Iso)
Part Number: 39792-SDA-A01
$8.40 MSRP: $11.87
You Save: $3.47 (30%)
ADD TO CART
Product Specifications
- Other Name: Blower Motor Relay; Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2016-2023 Honda Civic | 2 Door EX, 2 Door EX (Turbo), 2 Door EX (Turbo/6MT), 2 Door EX (Turbo/CVT), 2 Door LX, 2 Door LX (6MT), 2 Door LX (CVT), 2 Door SI, 2 Door Sport, 2 Door Sport (6MT), 2 Door Sport (CVT), 2 Door Touring, 2 Door Touring (Turbo), 4 Door EX, 4 Door EX (Turbo), 4 Door EX-A, 4 Door EX-T, 4 Door EX-TA, 4 Door EX-TL, 4 Door EX-TLA, 4 Door LX, 4 Door LX (6MT), 4 Door LX (CVT), 4 Door LX-A, 4 Door SE, 4 Door SI, 4 Door Sport, 4 Door Sport (6MT), 4 Door Sport (CVT), 4 Door Touring, 4 Door Touring (Turbo), 5 Door EX, 5 Door EX-L, 5 Door LX, 5 Door SE, 5 Door Sport, 5 Door Touring LE, 5 Door Type R, 5 Door Type R (Touring), EX, EX-L, LX, Si, Sport, Sport Touring, Touring, Type R | KA 6MT, KA CVT, KL CVT
- 2006-2011 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-L, 2 Door LX, 2 Door SI, 4 Door DX, 4 Door EX, 4 Door EX-L, 4 Door GX, 4 Door LX, 4 Door LX-S, 4 Door MX (Hybrid), 4 Door SI | KA 5AT, KA 5MT, KA 6MT, KA CVT
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Honda Civic Relay Assembly, Main
Part Number: 39400-S10-003
$98.94 MSRP: $139.76
You Save: $40.82 (30%)
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Product Specifications
- Other Name: Main Relay; Relay
- Replaces: 39400-SR3-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1992-2000 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-S, 2 Door HX, 3 Door CX, 3 Door DX, 3 Door SI, 3 Door VX, 4 Door DX, 4 Door EX, 4 Door LX | KA 4AT, KA 5MT, KA CVT, KL 4AT, KL 5MT, KL CVT, KR 5MT, KW 5MT
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Honda Civic Relay, Main (Rz0158)
Part Number: 39400-S01-A01
$70.58 MSRP: $99.68
You Save: $29.10 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1998-2000 Honda Civic | 2 Door DX, 2 Door EX, 2 Door HX, 2 Door SI, 3 Door CX, 3 Door DX, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door GX, 4 Door LX | KA 4AT, KA 5MT, KA CVT, KL 4AT, KL 5MT, KL CVT, KW 5MT
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Honda Civic Relay Assembly, Power (Micro Iso) (Omron)
Part Number: 39792-SJC-A01
$7.28 MSRP: $10.28
You Save: $3.00 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2008-2015 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-L, 2 Door LX, 2 Door SI, 4 Door DX, 4 Door EX, 4 Door EX-L, 4 Door GX, 4 Door HF, 4 Door LX, 4 Door LX (AT), 4 Door LX-S, 4 Door MX, 4 Door MX (Hybrid), 4 Door SI | KA 5AT, KA 5MT, KA 6MT, KA CVT, KL 5AT, KL CVT
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Honda Civic Relay Assembly, Power (4P) (Micro Iso) (Matsushita)
Part Number: 39794-S04-014
$38.83 MSRP: $54.86
You Save: $16.03 (30%)
ADD TO CART
Product Specifications
- Replaces: 39794-S04-004
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1996-2005 Honda Civic | 2 Door DX, 2 Door HX, 3 Door CX, 3 Door DX, 3 Door SI, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door GX, 4 Door LX, 4 Door MX (Hybrid) | KA 4AT, KA 5MT, KA CVT, KL 4AT, KL 5MT, KL CVT, KR 5MT, KW 5MT
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Honda Civic Relay, Turn Signal (061300-4110) (Denso)
Part Number: 38300-634-671
$43.13 MSRP: $62.50
You Save: $19.37 (31%)
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1973-1977 Honda Civic | 2 Door (1200), 2 Door (1500), 3 Door (1200), 3 Door (1500), 5 Door ** | ** 4MT, ** HMT, KA 4MT, KA 5MT, KA HMT, KH 4MT, KH 5MT, KH HMT, KL 4MT, KL 5MT, KL HMT
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Honda Civic Relay, Turn Signal (Front-2104) (Mitsuba)
Part Number: 38300-671-672
$40.31 MSRP: $57.29
You Save: $16.98 (30%)
ADD TO CART
Product Specifications
- Position: Front
- Replaced by: 38300-671-505
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1978-1979 Honda Civic | 2 Door (1200), 2 Door **, 3 Door (1200), 3 Door **, 5 Door ** | ** 4MT, ** HMT, KA 4MT, KA 5MT, KA HMT, KH 4MT, KH 5MT, KH HMT, KL 4MT, KL 5MT, KL HMT

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Honda Civic Relay

In search of affordable OEM Honda Civic Relay? Consider browsing through our extensive inventory of genuine Honda Civic Relay. Not only do we provide market-leading prices and a manufacturer's warranty, but we also pride ourselves on exceptional customer service and swift delivery.

Honda Civic Relay Parts Questions & Experts Answers

Relay Assembly, Power (5P) (Micro Iso)
39794-SNB-E01
Q: What role do relays play in the operation of electrical accessories on Honda Civic?
A: In the vehicle, there are a number of electrical accessories that include, the fuel injection system, Horns, starter, and fog lamps that employ relay to transfer electrical signals to the gadgets. A relay employs a low current control circuit which when activated switches on or off a high current power circuit. A defective relay will cause the associated component to function in an unexpected manner. Almost all relays are usually installed in regions like the engine bay and interior fuse/relay boxes.