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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58 Relays found

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Honda Civic Relay Assembly, Power (Micro Iso) (Mitsuba)
Part Number: 39794-SDA-A05
$22.62 MSRP: $32.22
You Save: $9.60 (30%)
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Product Specifications
- Other Name: Horn Relay; Fan Relay, Relay
- Replaces: 39794-SDA-A04, 39794-SDA-A01
- 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, Power (Micro Iso) (Omron)
Part Number: 39794-SDA-A03
$22.81 MSRP: $32.22
You Save: $9.41 (30%)
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Product Specifications
- Other Name: Blower Motor Relay; Fan Relay, Fuel Pump Relay, Horn Relay, Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2026 Honda Civic | 4 Door LX 2WD, 4 Door Si FWD, 4 Door Sport 2WD | 6MT, CVT
- 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, Engine Control Module (Denso)
Part Number: 39794-SDA-902
$63.62 MSRP: $92.20
You Save: $28.58 (31%)
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Product Specifications
- Other Name: Ecm Relay; Relay
- Position: Passenger Side
- Replaces: 39794-SDA-901
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2022 Honda Civic | 5 Door EX-L, 5 Door LX, 5 Door Sport, 5 Door Sport Touring | 6MT, 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, Fuel Pump (Denso)
Part Number: 39794-SDA-004
$50.52 MSRP: $71.35
You Save: $20.83 (30%)
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Product Specifications
- Other Name: Fuel Pump Relay; Relay
- Replaces: 39794-SDA-305, 39794-SDA-003
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2006-2026 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 1.5T EX, 4 Door 1.5T EX BD, 4 Door 1.5T Touring, 4 Door 2.0L LX, 4 Door 2.0L Sport, 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 2WD, 4 Door LX-A, 4 Door LX-S, 4 Door MX, 4 Door MX (Hybrid), 4 Door SE, 4 Door SI, 4 Door Si, 4 Door Si FWD, 4 Door Si With High Performance Tires, 4 Door Sport, 4 Door Sport (6MT), 4 Door Sport (CVT), 4 Door Sport 2WD, 4 Door Touring, 4 Door Touring (Turbo), 5 Door 1.5T EX-L, 5 Door 1.5T Sport Touring, 5 Door 2.0L LX, 5 Door 2.0L Sport, 5 Door EX, 5 Door EX-L, 5 Door LX, 5 Door SE, 5 Door Sport, 5 Door Sport FWD, 5 Door Sport Touring, 5 Door Touring LE, 5 Door Type R, 5 Door Type R (Touring) | 6MT, CVT, KA 5AT, KA 5MT, KA 6MT, KA CVT, KL 5AT, KL CVT
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Honda Civic Relay Assembly (Micro Iso)
Part Number: 39792-SDA-A01
$4.47 MSRP: $6.32
You Save: $1.85 (30%)
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Product Specifications
- Other Name: Blower Motor Relay; Relay
- Position: Passenger Side
- Replaced by: 39792-3A0-A01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2016-2026 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 1.5T EX, 4 Door 1.5T EX BD, 4 Door 1.5T Touring, 4 Door 2.0L LX, 4 Door 2.0L Sport, 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 2WD, 4 Door LX-A, 4 Door SE, 4 Door SI, 4 Door Si, 4 Door Si FWD, 4 Door Si With High Performance Tires, 4 Door Sport, 4 Door Sport (6MT), 4 Door Sport (CVT), 4 Door Sport 2WD, 4 Door Touring, 4 Door Touring (Turbo), 5 Door 1.5T EX-L, 5 Door 1.5T Sport Touring, 5 Door 2.0L LX, 5 Door 2.0L Sport, 5 Door EX, 5 Door EX-L, 5 Door LX, 5 Door SE, 5 Door Sport, 5 Door Sport FWD, 5 Door Sport Touring, 5 Door Touring LE, 5 Door Type R, 5 Door Type R (Touring) | 6MT, CVT, 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, Power (5P) (Micro Iso) (Mitsuba)
Part Number: 39794-S10-003
$46.35 MSRP: $65.47
You Save: $19.12 (30%)
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Product Specifications
- Other Name: Relay
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1998-2026 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 1.5T EX, 4 Door 1.5T EX BD, 4 Door 1.5T Touring, 4 Door 2.0L LX, 4 Door 2.0L Sport, 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 2WD, 4 Door LX-S, 4 Door MX, 4 Door MX (Hybrid), 4 Door SE, 4 Door SI, 4 Door Si, 4 Door Si FWD, 4 Door Si With High Performance Tires, 4 Door Sport, 4 Door Sport (6MT), 4 Door Sport (CVT), 4 Door Sport 2WD, 4 Door Touring, 4 Door Touring (Turbo), 5 Door 1.5T EX-L, 5 Door 1.5T Sport Touring, 5 Door 2.0L LX, 5 Door 2.0L Sport, 5 Door EX, 5 Door EX-L, 5 Door LX, 5 Door SE, 5 Door Sport, 5 Door Sport FWD, 5 Door Sport Touring, 5 Door Touring LE, 5 Door Type R, 5 Door Type R (Touring) | 6MT, CVT, 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, Main
Part Number: 39400-S10-003
$121.04 MSRP: $172.42
You Save: $51.38 (30%)
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Product Specifications
- Other Name: Main Relay; Relay
- Replaces: 39400-S01-A01, 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, 2 Door SI, 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 | KA 4AT, KA 5MT, KA CVT, KL 4AT, KL 5MT, KL CVT, KR 5MT, KW 5MT
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Honda Civic Relay Assembly, Fuel Pump (5P) (Mitsuba)
Part Number: 39794-S5A-003
$43.01 MSRP: $60.75
You Save: $17.74 (30%)
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Product Specifications
- Replaces: 39794-S5A-004
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2001-2005 Honda Civic | 2 Door DX, 2 Door EX, 2 Door HX, 2 Door LX, 3 Door SI, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door GX, 4 Door LX, 4 Door LX-CAR, 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) (Denso)
Part Number: 39794-SDA-A02
$29.16 MSRP: $41.53
You Save: $12.37 (30%)
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Product Specifications
- Other Name: Relay; Fuse
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2023-2025 Honda Civic | 5 Door Type R | 6MT
- 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) (Omron)
Part Number: 39792-SJC-A01
$8.63 MSRP: $12.30
You Save: $3.67 (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:
- 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, Engine Control Module (4P) (Mitsuba)
Part Number: 39794-S5A-901
$43.98 MSRP: $62.12
You Save: $18.14 (30%)
ADD TO CART
Product Specifications
- Replaces: 39794-S5A-902
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2001-2005 Honda Civic | 2 Door DX, 2 Door EX, 2 Door HX, 2 Door LX, 3 Door SI, 4 Door DX, 4 Door DX-VP, 4 Door EX, 4 Door GX, 4 Door LX, 4 Door LX-CAR, 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 (4P) (Micro Iso) (Matsushita)
Part Number: 39794-S04-014
$47.88 MSRP: $67.63
You Save: $19.75 (30%)
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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, Main (Rz0158)
Part Number: 39400-S01-A01
$121.04 MSRP: $172.42
You Save: $51.38 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- Replaced by: 39400-S10-003
- 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)
Part Number: 39794-TBA-A01
$4.39 MSRP: $6.20
You Save: $1.81 (30%)
ADD TO CART
Product Specifications
- Other Name: Fan Relay, Relay
- Replaces: 39794-TTA-J01
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2016-2026 Honda Civic | 2 Door EX, 2 Door LX, 2 Door LX (CVT), 2 Door SI, 2 Door Sport, 2 Door Sport (6MT), 2 Door Sport (CVT), 2 Door Touring, 4 Door 1.5T EX, 4 Door 1.5T EX BD, 4 Door 1.5T Touring, 4 Door 2.0L LX, 4 Door 2.0L Sport, 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 2WD, 4 Door LX-A, 4 Door SE, 4 Door SI, 4 Door Si, 4 Door Si FWD, 4 Door Si With High Performance Tires, 4 Door Sport, 4 Door Sport (6MT), 4 Door Sport (CVT), 4 Door Sport 2WD, 4 Door Touring, 4 Door Touring (Turbo), 5 Door 1.5T EX-L, 5 Door 1.5T Sport Touring, 5 Door 2.0L LX, 5 Door 2.0L Sport, 5 Door EX, 5 Door EX-L, 5 Door LX, 5 Door SE, 5 Door Sport, 5 Door Sport FWD, 5 Door Sport Touring, 5 Door Touring LE, 5 Door Type R, 5 Door Type R (Touring) | 6MT, CVT, KA 6MT, KA CVT, KL CVT
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Honda Civic Relay Assembly, Turn Signal And Hazard (Mitsuba)
Part Number: 38300-S9A-003
$80.54 MSRP: $113.75
You Save: $33.21 (30%)
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Product Specifications
- Other Name: Turn Signal Flasher
- Replaces: 38300-SE3-013, 38300-S5T-004, 38300-S9V-A01, 38300-SV1-A01, 38300-SA5-671, 38300-S5A-003, 38300-S5T-003, 38300-SE3-003, 38300-S9V-A11, 38300-SA5-004, 38300-SB2-672, 38300-SE3-004, 38300-SV1-A00, 38300-S47-013, 38300-SA5-672, 38300-SV1-A11, 38300-SA5-013, 38300-SA5-003, 38300-SB2-671
- 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-2201) (Mitsuba)
Part Number: 39795-SB2-003
$87.86 MSRP: $124.10
You Save: $36.24 (30%)
ADD TO CART
Product Specifications
- Other Name: Power Relay; Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1986-1995 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-S, 3 Door (1300), 3 Door CX, 3 Door DX, 3 Door SI, 3 Door STD, 3 Door VX, 4 Door DX, 4 Door EX, 4 Door GL, 4 Door LX, 5 Door (Wagovan), 5 Door 4WD, 5 Door DX, 5 Door WV | KA 4AT, KA 4MT, KA 5MT, KH 4MT, KL 4AT, KL 4MT, KL 5MT
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Honda Civic Relay Assembly, Power (4P) (Rc-2226) (Brown) (Mitsuba)
Part Number: 39794-SL0-J01
$89.48 MSRP: $126.38
You Save: $36.90 (30%)
ADD TO CART
Product Specifications
- Other Name: Relay
- 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 (Omron)
Part Number: 38300-S5P-A01
$64.64 MSRP: $91.30
You Save: $26.66 (30%)
ADD TO CART
Product Specifications
- Other Name: Flasher
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 2001-2005 Honda Civic | 2 Door DX, 2 Door EX, 2 Door HX, 2 Door LX, 3 Door SI | KA 4AT, KA 5MT, KA CVT, KL 4AT, KL 5MT, KL CVT
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Honda Civic Relay Assembly, Power (4P) (056700-7250) (Denso)
Part Number: 39794-SE0-003
$89.48 MSRP: $126.38
You Save: $36.90 (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
View related parts
Honda Civic Relay Assembly, Power (4P) (Rc-2201) (Mitsuba)
Part Number: 39797-SE0-004
Product Specifications
- Other Name: Relay Assembly; Relay
- Warranty: This genuine part is guaranteed by Honda's factory warranty.
Fits the following Vehicles:
- 1998 Honda Civic | 2 Door DX, 2 Door EX, 2 Door HX, 3 Door CX, 3 Door DX, 4 Door DX, 4 Door EX, 4 Door GX, 4 Door LX | KA 4AT, KA 5MT, KA CVT, KL 4AT, KL 5MT, KL CVT, KW 5MT
- 1986-1995 Honda Civic | 2 Door DX, 2 Door EX, 2 Door EX-S, 3 Door (1300), 3 Door CX, 3 Door DX, 3 Door SI, 3 Door STD, 3 Door VX, 4 Door DX, 4 Door EX, 4 Door GL, 4 Door LX, 5 Door 4WD, 5 Door DX, 5 Door WV | KA 4AT, KA 4MT, KA 5MT, KH 4MT, KL 4AT, KL 4MT, KL 5MT

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1-20 of 58 Results

Honda Civic Relay

The Honda Civic Relay is the little electric switch that allows low power signals to command larger loads, so important cabin functions react instantly. Found in the fan circuit, blower motor line, and climate control sensors, this Relay listens to a gentle signal from the control module then snaps its contacts together, providing full battery current to the targeted component, preventing fragile electronics from carrying heavy amperage. Through the years, the Civic has relied mainly on the traditional electromechanical version of Relay which uses an internal coil and armature, but later models in the Honda lineup may also utilize solid state or latching designs, which both still achieve the same task without moving parts or with memory of its last position, saving energy after the pulse ends. Electromechanical units provide audible clicks and are inexpensive. These Relay options are contrasted with solid state styles that provide faster switching and better vibration resistance and magnetic latching types that hold the circuit on or off even if the battery momentarily drops, a plus when the car is cranking. Regardless of style, replacing a tired Relay before it sticks or burns will help protect the fan, blower, and compressor from unnecessary strain and avoid fault codes lighting the dash. Accurate diagnosis is important because a single weak link can halt the entire A/C chain in any Honda Civic model, keeping the faithful Civic comfortable and protecting every journey in a beloved Honda compact.

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.