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NAPA Radiator Cap
- Part number
- THM 7031810
- Brand
- NAPA
- Price range
- $35.99
- Last checked
- Oct 28, 2026
Spec sheet
Collected from 1 supplier page - confirm fit with the supplier before ordering.
NAPA Radiator Cap
Suppliers (1)
- NAPA Auto Parts USNAPA Radiator Cap · UnavailableChecked Oct 28, 2026$35.99View at supplier
Specifications and fitment
- Vented or Non-Vented
- Vented
- Cap Shape
- Round
- Gasket or Seal Included
- Yes
- Shape
- Round
- Pressure Range
- 18-22 PSI
- Indicator Marking Color
- Black
- Cap Depth
- 1.83 in
- Coolant Recovery System
- Open & Closed System
- Filler Neck Inside Diameter
- 1.20 in
- VMRS Code
- 042002003
- Pressurized
- Yes
- Cap Diameter
- 3.47 in
- Manufacturer
- MotoRad
- Style
- Standard
- SDS Required
- No
- Filler Neck Outside Diameter
- 1.91 in
- Maximum Pressure Rating
- 22 lb/in²
- Swivel Cap
- No
- Quick Pressure Release
- No
- Cap Color
- Black
- Filler Neck Height
- 0.90 in
- Quick Pressure Release Included
- No
- Manufacturer Part Number
- T64
- System Type
- Open and Closed
- Material
- Plastic, Rubber
- Pressure Rating
- 20 lbs
- Dimension
- 3.47 in. W x 1.83 in. H
- Thread Type
- Right Handed
- Vented or Non Vented
- Vented
- Brand
- NAPA
- Lever Type
- No
- Thread Direction
- Right Hand
- Contents
- (1) Cap
- Indicator Markings
- Yes
- Attachment Type
- Threaded
- Thread Included
- Yes
- Overflow Valve Included
- Yes
Features
- Maintains proper cooling system pressure
- Easy installation and removal
- 100% tested to ensure proper pressure and longevity
- Meets all OEM specifications
- Helps maintain proper coolant flow to the engine and radiator
- Supports consistent temperature control across varying driving conditions
Fits
- BMW 335i (2007 - 2015)
- BMW 840i (2020 - 2020)
- BMW 840i (2023 - 2024)
- BMW 840i (2026 - 2026)
- BMW 535d xDrive (2014 - 2016)
- BMW i8 (2014 - 2017)
- BMW i8 (2019 - 2020)
- BMW 320i (2013 - 2018)
- BMW 330i GT xDrive (2017 - 2019)
- BMW 535i xDrive (2014 - 2016)
- BMW X5 (2009 - 2024)
- BMW X5 (2026 - 2026)
- BMW Z4 (2009 - 2016)
- BMW Z4 (2019 - 2020)
- BMW X1 (2012 - 2015)
- BMW X4 (2015 - 2025)
- BMW 430i xDrive Gran Coupe (2017 - 2020)
- BMW 640i (2014 - 2018)
- BMW 440i xDrive Gran Coupe (2017 - 2020)
- BMW 135i (2008 - 2013)
Price history
| Date | Supplier | Price | Stock |
|---|---|---|---|
| Oct 28, 2026 | NAPA Auto Parts US | $35.99 | Out of stock |