Automotive replacement auxiliary heater and ac control relays: top picks

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Automotive replacement auxiliary heater and ac control relays: top picks

AI-generated summary · updated October 24, 2026 · verify details before purchase.

1 Best overall Four Seasons
Four Seasons 35996 A/C Relay

4.6/5 $14.18 Only 4 left

High-quality A/C relay compatible with many vehicle makes; known for reliability and long service life.
- Durable construction
- Easy plug-in installation
- Good value for money
- Limited to certain vehicle models
View on Amazon manufacturer site
2 Best premium
Denso 156700-1410 A/C Relay

4.7/5 $15-$25

Premium A/C relay with high current capacity and longevity; often used as OEM equipment.
- High current rating
- OEM quality
- Long lifespan
- Higher price
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3 Best for GM vehicles ACDelco
ACDelco 15-7278 A/C Relay

4.3/5 $20.91

Genuine GM A/C relay designed for direct fit in GM models; ensures proper operation.
- GM direct fit
- Reliable performance
- OE specification
- Limited compatibility
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4 Best for European cars Bosch
BOSCH 0 332 003 509 A/C Relay

4.5/5 $3.99

Bosch A/C relay with robust design; excellent choice for European vehicle applications.
- Trusted brand
- Compact design
- Dependable switching
- May require adapter for some cars
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5 Best for durability Beck/Arnley
Beck Arnley 201-2133 Auxiliary Heater Relay

4.5/5 $24.01 Currently unavailable

OE-quality auxiliary heater relay designed to meet or exceed OEM specs; reliable performance in extreme temperatures.
- OE-compatible
- Rugged build
- Consistent switching
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6 Best budget pick Standard Motor Products
Standard Motor Products RY-613 A/C Relay

4.4/5 $10.94 Currently unavailable

Affordable A/C relay that offers solid performance; widely available and easy to install.
- Low cost
- Widely compatible
- Simple replacement
- Not for heavy-duty use
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7 Best value WELLS VEHICLE ELECTRONICS
Wells Vehicle Electronics A/C Relay

4.2/5 $9.75 Currently unavailable

Cost-effective A/C relay that meets OE standards; good for budget-conscious repairs.
- Affordable
- Good quality
- Easy to install
- Less common brand
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Buying advice

When choosing an auxiliary heater or A/C control relay, ensure compatibility with your vehicle's make, model, and year. Pay attention to the relay's ampere rating and terminal configuration. Opt for reputable brands like Bosch, Denso, or Standard Motor Products for reliability. If you drive a specific brand (e.g., GM, European), consider OE-specific relays for a perfect fit.

Product Category Search

Automotive replacement auxiliary heater and ac control relays: top picks

Four Seasons 35996 A/C Relay

Denso 156700-1410 A/C Relay

ACDelco 15-7278 A/C Relay

BOSCH 0 332 003 509 A/C Relay

Beck Arnley 201-2133 Auxiliary Heater Relay

Standard Motor Products RY-613 A/C Relay

Wells Vehicle Electronics A/C Relay

Buying advice

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