Ignitions and Electrical Wiring Components

STANDARD IGN

RELAY

$49.48

SKU: S092 RY-27

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Standard Ignition RY-27 is an HVAC Automatic Temperature Control (ATC) relay designed for reliable operation in select GM vehicles. This 12-volt relay has a 20-amp rating and features a single female square connector with four male blade terminals.

Engineered to meet OEM specifications, the RY-27 is optimized for cycling within HVAC systems and is not intended for continuous duty. It provides dependable relay functions to support proper HVAC system operation.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandSTANDARD IGN
Part NumberS092 RY-27

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy