Why do brakes need to be replaced in the first place?

Friction material on the brake pad contacts the rotors to slow the vehicle. In time, that material wears away and the pads must be replaced. Sometimes the rotors and calipers must also be replaced.

What’s the squealing sound I hear when braking?

Over time, wear indicators in brake pads may contact the rotors’ surface when braking, resulting in a metallic squealing sound. Vehicles equipped with wear sensors may also provide an alert that minimum brake pad thickness has been reached.

What if it’s more of a grinding sound?

If all the friction material has been worn away, the metal backing plate of the brake pad will be the material in contact with the rotor during braking. It causes a grinding sound and braking performance is often diminished.

Why do the brakes seem to pulsate when stopping?

It may be due to worn brake pads, unevenly worn rotors or unevenly worn tires. Have the pulsation diagnosed as soon as possible to avoid the possibility of greater brake system wear or damage.

What about vibrations or shaking in the steering wheel?

This is more serious than pulsation. If the brakes are very worn or the rotors are unevenly worn, there can be a significant vibration or shaking in the steering wheel when braking. It may mean brake service is needed immediately.

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Sold byAmazon KUWAITDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Lock in safety with GM’s precision cap—because your brakes deserve the best.

PERFECT OEM FIT - Designed and tested specifically for GM vehicles to ensure flawless compatibility and performance.
EFFORTLESS INSTALLATION - Twist-on closure type guarantees a secure seal with minimal effort—no mechanic needed.
TRUSTED QUALITY ASSURANCE - Backed by a 24-month unlimited mile limited warranty for peace of mind on every drive.
TOP RANKED REPLACEMENT PART - Ranked #9 in Automotive Replacement Master Cylinder Caps, favored by professionals and enthusiasts alike.
DURABLE STAINLESS STEEL BUILD - Machined exterior finish crafted from stainless steel for long-lasting corrosion resistance.

The GM Genuine Parts 20760280 Brake Master Cylinder Reservoir Cap is a precision-engineered, stainless steel replacement part designed exclusively for GM vehicles. Featuring a twist-on closure for easy installation and backed by a 24-month unlimited mile warranty, this cap ensures reliable brake fluid containment and long-term durability. Highly rated and top-ranked, it’s the trusted choice for maintaining optimal brake system performance.

Specifications

ASIN	B08NMXZ3V8
Best Sellers Rank	#158,166 in Automotive ( See Top 100 in Automotive ) #22 in Automotive Replacement Master Cylinder Caps
Brand Name	GM GENUINE PARTS
Closure Type	Twist-On
Color	Black
Compatible with Vehicle Type	Car
Customer Reviews	4.7 4.7 out of 5 stars (192)
Exterior Finish	Machined
Included Components	Brake Master Cylinder Cap
Item Dimensions	2.9 x 2.8 x 0.6 inches
Item Type Name	OE Clutch Related Parts - GM,OE Clutch Related Parts - GM
Item Weight	0.05 Pounds
Manufacturer	GM Genuine Parts
Manufacturer Part Number	20760280
Manufacturer Warranty Description	24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see your GM Dealer for more details.
Material Type	Stainless Steel
Model Number	20760280
Style Name	Modern
UPC	193468472325

Reviews

A**E

Perfect fit

17.03.2026

S**R

07 Saturn Ion 3

fit perfect

14.03.2026

S**N

Perfect for 2017 malibu hybrid

Fits 2017 Malibu hybrid perfectly.

12.10.2025

P**.

It fit

It fit perfectly. Some how mine disappeared

1.03.2026

M**R

🤙

The part was perfect 👍🏿

6.03.2026

D**Z

It fits

Genuine part.

28.02.2026

A**R

Master cylinder cap

Just what was called for.

22.02.2026

L**S

Excellent

9.02.2026

Z**R

Fits for most GM cars.

30.04.2025

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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