About this part
Heater control valve 4H0121671B is a new aftermarket replacement part for Audi applications. It matches OE reference 4H0121671B in the 4H0121671 valve family and regulates coolant flow to the vehicle heater core by solenoid actuation. Availability, minimum quantity, lead time and packaging are confirmed with the quotation. The 12-month warranty is provided by DFM, not the original manufacturer. Product photos show the actual units in stock; cosmetic details may vary between production batches.
Specifications
| Part number | 4H0121671B |
| Condition | New aftermarket (not a genuine OEM part) |
| Cross-reference | 4H0121671A, 4H0121671B, 4H0121671D |
| Application | Audi heater control valve (solenoid type) |
| Warranty | 12 months - DFM supplier warranty, not original manufacturer warranty |
Common questions
Is 4H0121671B a genuine Audi part?
No. 4H0121671B is supplied as a new aftermarket replacement heater control valve (solenoid-type coolant control valve). It is not manufactured by, and we are not affiliated with, Audi AG or Volkswagen Group. OE part numbers are shown for cross-reference and identification only.
Which part numbers does this valve family cover?
This solenoid heater valve is listed against OE references 4H0121671A, 4H0121671B and 4H0121671D. Variants exist across models and model years, so confirm the number on your existing unit before ordering.
What does this heater control valve fit?
Recorded application: Audi models using the 4H0121671 series heater valve. Send us the part number or a photo of your existing valve and we will confirm the match before dispatch.
Is the valve tested before shipping?
Ask us to confirm the inspection steps and available records for this part number before ordering.
What warranty applies to 4H0121671B?
Warranty: 12 months, covering defects in materials and workmanship under normal use. Incorrect fitment and contamination damage are not covered.
Fitment note. Several part numbers in this family look similar. Confirm the number on your
existing unit, the engine model and the machine or vehicle application before ordering. Send us a nameplate photo
and we will verify the match before dispatch.
All manufacturer names, symbols and part numbers are used for identification and cross-reference purposes only. We are not an authorised distributor and are not affiliated with the original equipment manufacturer. Product condition is stated on each listing. Our 12-month warranty is provided by DFM, not by the original manufacturer.
