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Honda CRF450R Crankcase Cover Gasket (2009-2016) | OEM 11191-MEN-A30
Honda CRF450R Crankcase Cover Gasket (2009-2016) | OEM 11191-MEN-A30
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Product Overview
Ensure your Honda CRF450R’s engine remains leak-free and protected with this premium crankcase cover (center case) gasket. Engineered as a direct replacement for OEM 11191-MEN-A30, this gasket provides a critical seal between the engine cases. Designed to endure the extreme vibrations and high-thermal demands of professional motocross racing, it helps maintain internal pressure and prevents oil seepage during intense track use.
Product Compatibility
This gasket is a precision fit for the following Honda Unicam® engine models:
| Brand | Model | Year | Engine Type |
| Honda | CRF450R | 2009 | 449cc Liquid-Cooled Single |
| Honda | CRF450R | 2010 | 449cc Liquid-Cooled Single |
| Honda | CRF450R | 2011 | 449cc Liquid-Cooled Single |
| Honda | CRF450R | 2012 | 449cc Liquid-Cooled Single |
| Honda | CRF450R | 2013 | 449cc Liquid-Cooled Single |
| Honda | CRF450R | 2014 | 449cc Liquid-Cooled Single |
| Honda | CRF450R | 2015 | 449cc Liquid-Cooled Single |
| Honda | CRF450R | 2016 | 449cc Liquid-Cooled Single |
Specifications
| Feature | Details |
| OEM Part Numbers | 11191-MEN-A30, 11191-MEN-A40, 11191-MEN-A41 |
| Position | Crankcase / Center Case Gasket |
| Material | High-Performance Sealing Composite |
| Thermal Rating | High-Temperature Resistant (Racing Grade) |
| Compatibility | 449cc Honda MX Engines |
Key Features
- High-Performance Sealing: Adopts specialized materials that offer exceptional high-temperature and chemical resistance for reliable performance in extreme racing environments.
- Leak Prevention: Effectively seals the engine center cases, preventing oil leakage that can lead to engine failure and costly repairs.
- OEM Precision Fit: Manufactured to meet or exceed Honda factory standards (11191-MEN-A30), ensuring all oil galleries and dowel pin holes align perfectly.
- Enhanced Engine Life: By maintaining a clean and pressurized internal environment, this gasket helps extend the service life of your crankshaft and transmission.
- Racing Durability: Designed to resist the aging and brittleness caused by the rapid heating and cooling cycles typical of high-performance 4-stroke engines.
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Fitment FAQ
Will this part fit my specific model and year?
This gasket set is intended for This gasket is a precision fit for the following Honda Unicam® engine models; Engine Type; Honda; CRF450R; 2009; 449cc Liquid-Cooled Single. It is best matched to original part number(s) 11191-MEN-A30, 2009-2016, 11191-MEN-A40, 11191-MEN-A41. Key physical/spec details from the product data include 449cc. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. Match your original part number to 11191-MEN-A30, 2009-2016, 11191-MEN-A40, 11191-MEN-A41 before purchase. For this gasket set, also compare the OEM number, gasket shape, hole pattern, engine model, bore size, and material thickness. This is especially important for Honda CRF450R/A30 models because similar model names can use different parts by year or trim.
What models or situations does this part not fit?
Do not order this gasket set for machines outside the listed compatibility, or for units with different bolt-hole layouts, water/oil passages, bore sizes, or engine castings. If your original part number does not cross-reference with 11191-MEN-A30, 2009-2016, 11191-MEN-A40, 11191-MEN-A41, treat the fitment as unconfirmed. Model years outside 2009–2016, 2009, 2016, 2010, 2011 should be verified separately. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the OEM number, gasket shape, hole pattern, engine model, bore size, and material thickness. Confirm OEM/cross-reference number(s): 11191-MEN-A30, 2009-2016, 11191-MEN-A40, 11191-MEN-A41. Recheck listed specs such as 449cc. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.