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Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Genuine Honda Rubber Diaphragm For The Front And Rear Master Cylinder. This Is The Diaphragm That Seals Between The Brake Reservoir Cap And The Master Cylinder Assembly. If You Notice That Your Brake Fluid Reservoir Is Leaking Fluid Onto Your Gas Tank, It Could Be The Diaphragm That Isn'T Making A Tight Seal Or The Leak Could Be Coming From The Piston. Brake Fluid Will Ruin Painted Surfaces, It'S Best To Keep It Where It Belongs! Sold Individually. Honda Part Number: 45520-300-000 Fits Honda: Cb350F - 1972-1974Cb360K - 1974Cb360T - 1975-1976Cb360G - 1974Cb400F Super Sport - 1975-1977Cb400Tii - 1978Cb450K - 1970-1974Cb500K - 1971-1973Cb500T - 1975-1976Cb550F Super Sport - 1975-1977Cb550K - 1974-1978Cb750A Hondamatic - 1976-1978Cb750F Super Sport - 1975-1982Cb750K - 1969-1978Cb900C - 1980-1982Cb900F - 1981-1982 + 2002-2007 And Many Others....Fits Over 750 Different Honda Models...
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What is the Honda part number for this brake master cylinder diaphragm?A: The Honda part number is four five five two zero dash three hundred dash zero zero zero. This specific part is essential for ensuring a proper seal in the brake system.
Q: Is this diaphragm compatible with multiple Honda models?A: Yes, it fits over seven hundred fifty different Honda models. This includes popular models like the CB350, CB750, and many others.
Q: What material is the brake master cylinder diaphragm made of?A: This diaphragm is made of genuine Honda rubber. Rubber is known for its durability and ability to create a tight seal.
Q: What dimensions does the Honda brake master cylinder diaphragm have?A: The diaphragm does not have specific listed dimensions as it is designed to fit various master cylinder assemblies. It's crucial to ensure compatibility with your specific model.
Q: How do I install the brake master cylinder diaphragm?A: To install, remove the brake reservoir cap, replace the old diaphragm with this new one, and ensure it seals properly. Follow your motorcycle’s service manual for specific instructions.
Q: Is this diaphragm suitable for both front and rear master cylinders?A: Yes, it is designed for use in both front and rear master cylinders. This versatility makes it a valuable part for maintaining your braking system.
Q: How should I clean the brake master cylinder diaphragm?A: The diaphragm should not be cleaned with harsh chemicals. Instead, use a soft cloth to wipe it down and ensure it remains free from debris.
Q: What should I do if I notice brake fluid leaking?A: If you notice brake fluid leaking, check the diaphragm for damage or improper sealing. Replacing the diaphragm may resolve the issue and prevent further leaks.
Q: Does this diaphragm require any special storage conditions?A: No, it does not require special storage conditions. Store it in a cool, dry place away from direct sunlight to maintain its integrity.
Q: How does this diaphragm compare to other aftermarket options?A: This diaphragm is a genuine Honda part, ensuring a perfect fit and reliability compared to aftermarket options. Genuine parts often provide better performance and longevity.
Q: Is this diaphragm easy to install for a beginner?A: Yes, it is relatively easy to install for beginners with basic mechanical skills. However, consulting a professional is recommended if you are unsure.
Q: What types of vehicles can use this brake master cylinder diaphragm?A: This diaphragm is suitable for various Honda motorcycles, including CB350, CB360, CB450, CB500, CB550, and CB750 models, among others.
Q: What are the signs that my diaphragm needs replacing?A: Signs include brake fluid leaks, a spongy brake feel, or visible damage to the diaphragm. Regular inspection can help identify issues early.
Q: Can I use this diaphragm on non-Honda motorcycles?A: No, this diaphragm is specifically designed for Honda motorcycles. Using it on non-Honda models may result in improper fit and functionality.
Q: Is there a warranty on this brake master cylinder diaphragm?A: Warranty details may vary, but genuine Honda parts typically come with a manufacturer's warranty. Check with your retailer for specific terms.