Four Seasons 35340 HVAC Blower Motor

Four Seasons 35340 Blower Motor Assembly

The Four Seasons 35340 blower motor assembly is an OE replacement HVAC blower motor built for 12-volt systems with a flanged mount, non-vented housing, and included wheel. It uses a single spade terminal and a male connector for straightforward replacement in the HVAC blower circuit.

Compatible with 1987-1989 Pontiac Bonneville applications noted as w/o AC, this Four Seasons blower motor is a direct-fit option for restoring cabin airflow. The 35340 part number is also referenced in aftermarket interchange listings for the same application.

Key Features

• 12-volt HVAC blower motor assembly
• Flanged end and OE mount for factory-style installation
• Non-vented metal motor housing
• Includes wheel; 5.750 in. wheel diameter and 3.625 in. wheel height
• Single spade terminal with 1 male connector
• Counterclockwise rotation
• OE replacement design for direct service use

Product Details

Four Seasons Blower Motor 35340 is built as a flanged blower motor assembly with a 3.250 in. motor diameter, 4.3125 in. motor length, 1.3125 in. shaft length, and 0.3125 in. shaft diameter. The metal construction and OE-style mounting help match the original HVAC layout, while the included wheel supports proper air movement through the blower case. This part number, 35340, is listed for Pontiac Bonneville fitment from 1987 through 1989, and it is also cross-referenced in the aftermarket under related numbers such as BM0134 and PM134 for the same application.

Common Problems This Part Can Address

• No cabin airflow from the HVAC vents
• Weak or inconsistent blower operation
• Blower motor noise from worn internal components
• HVAC fan failure on Pontiac Bonneville models with no A/C
• Electrical connection issues at the blower motor terminal

Installation Notes and Tips

Verify the vehicle uses a 12-volt system, flanged blower motor mounting, and the same connector and terminal style before installation. Confirm counterclockwise rotation, wheel dimensions, and OE mount alignment against the original part. For fitment, this part is listed for 1987-1989 Pontiac Bonneville, w/o AC, blower motor application. The 35340 part number should be matched to the original unit and HVAC case configuration before replacement.

Quality Assurance

Four Seasons manufactures this blower motor assembly as an OE replacement part for factory-style service applications. The 35340 designation is supported by multiple interchange references, which helps confirm application matching for the listed Pontiac Bonneville fitment.