Honda CB400 GL1800 CR125 CR500 Radiator Cap - Genuine Honda OEM 19045-MZ1-621
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Description
Genuine Honda CB400 GL1800 CR125 CR500 Radiator Cap - OEM 19045-MZ1-621. This radiator cap seals and pressurizes the cooling system at the radiator filler neck.
Product Details
| OEM / reference number | 19045-MZ1-621 |
|---|---|
| OEM / reference number | 19037-KA4-700 |
| OEM / reference number | 19037-KA4-701 |
| OEM / reference number | 19037-KV3-003 |
| Part type | radiator cap |
| Sold | individually |
Fitment / Compatibility
Fits Honda:
- CB400F (1989-90)
- CBR1000F (1987-91, 1996)
- CBR1100XX (1997-98)
- CBR600F (1987-90)
- CBR600F2 (1991-92)
- CBR600F3 (1997-98)
- CBR600F4 (1999-00)
- CBR600F4i (2001-04)
- CBR900RR (1993-99)
- CBR929RR (2000-01)
- CR125R (1982-07)
- CR250R (1982-07)
- CR500R (1985-01)
- CR80R (1983-02)
- CR80RB Expert (1996-02)
- CR85R (2004-07)
- CR85RB Expert (2003-07)
- CRF450R (2002-03)
- GL1800 (2001-04)
- GL1800A (2001-04)
- FSC600D Silver Wing (2002)
- XL600V Transalp (1989-90)
- VFR700F2 (1987)
- VFR750F (1990-92, 1997)
- VFR750R (1990)
- VFR800 (1998-01)
- RVT1000R (2000-01)
- VT1100C (2001-04)
- VT1100C2 (2000-04)
- VT1100C3 (2001-02)
- VT600C (1999-03)
- VT600CD (1998-03)
- VT750CA (1998-99)
- VT750CD (1998-03)
- VTR1000F (1998-02)
- VTX1800C (2002-04)
- VTX1800N (2004)
- VTX1800R (2002-04)
- VTX1800S (2002-04)
- ATC250R (1985-86)
- TRX250R (1986-89)
Before Ordering
- Cross-check OEM/reference 19045-MZ1-621, 19037-KA4-700, 19037-KA4-701, 19037-KV3-003 against the original part
- Confirm pressure rating, cap depth, seal diameter, filler-neck style, and cooling-system application
Fitment
Custom / Universal part
Check compatibility before ordering
Universal does not mean it fits every motorcycle. Compare the dimensions, mounting or connection details, and specifications in the description with your setup. Make sure this is the correct part for your intended use.
Selecting your bike does not confirm fitment for this item.
View product detailsCheck the listed model, year and any fitment notes in the description.
| Make | Model | Years |
|---|
No matching models in this list.
Shipping + Returns
Shipping & delivery
In-stock orders typically ship the same or next business day. Ground delivery is estimated at 3–8 business days to the USA and 2–6 business days within Canada after shipping.
Free ground shipping: USA orders of $50 USD or more; Canadian orders over $50 CAD.
View shipping options and details
Returns
Eligible unused, unaltered parts can be returned within 60 days of delivery, with original packaging. No restocking fees. Electrical parts are excluded.
