
GM Genuine Parts 18006074 Brake Master Cylinder Diaphragm Reservoir Seal
Why you'll like it
- OEM Replacement — Built to strict General Motors specifications for exact fit, form, and function in compatible vehicle brake systems.
- Fluid Protection — Effectively seals the brake master cylinder reservoir to prevent dust, moisture, and debris contamination.
- Pressure Regulation — Manages internal pressure changes during braking operations to maintain consistent hydraulic performance.
- Durable Construction — Crafted from high-grade molded rubber designed to withstand chemical exposure and thermal variations.
Product details
Description
Upgrade your vehicle braking system with the GM Genuine Parts 18006074 Brake Master Cylinder Diaphragm, engineered to meet rigorous original equipment specifications. This black molded rubber component serves as a precise replacement reservoir cap seal for select General Motors light trucks and classic passenger vehicles.
Designed to prevent brake fluid contamination while accommodating internal pressure variations, it ensures dependable sealing performance and long-lasting durability under demanding conditions. Sourced directly to bring authentic international automotive components to enthusiasts, this factory-recommended part guarantees proper fit, form, and function for your vehicle maintenance needs.
How to use
- Ensure the vehicle is safely parked and the engine is off.
- Clean the area around the brake master cylinder reservoir cap before removal.
- Carefully take off the reservoir cap, replace the old or worn diaphragm with the new GM Genuine Parts diaphragm, ensuring a secure and proper seal, and reinstall the cap.
Ingredients
High-grade molded automotive rubber elastomer, chemical-resistant polymer blend
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | GM GENUINE PARTS |
|---|---|
| UPC | 808709014836 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What vehicles are compatible with the GM Genuine Parts 18006074 brake master cylinder diaphragm?
This diaphragm is commonly designed to fit select General Motors light trucks manufactured between 1996 and 2005, as well as specific classic passenger cars depending on the master cylinder assembly.
What is the primary function of this master cylinder diaphragm?
The diaphragm acts as a reservoir cap seal that prevents brake fluid contamination from external debris while helping equalize internal pressure fluctuations inside the master cylinder.
Does this part replace older General Motors part numbers?
Yes, this genuine component serves as the updated replacement part for older numbers such as 18060032.
Are these imported automotive parts authentic when bought on Dropy India?
Yes, Dropy sources all its specialty automotive components directly from the USA, ensuring you receive 100% authentic imported products for your vehicle.
What material is used to construct this brake diaphragm?
It is manufactured using durable, high-quality black molded rubber engineered specifically to withstand brake fluid exposure and under-hood conditions.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.