Shop By Vehicle
Shows all parts for this vehicle — for exact-fit matches, try AI Search above

2025-2026 Cadillac CT4 CT5 Brake Master Cylinder Reservoir OEM

Regular price $ 30.37
🏁 Please confirm this part fits your vehicle before ordering
🏁 CHECKPOINT 🏁
100% Genuine OEM Factory original part
Flat Rate $8.97 Shipping Any order, any size
Easy Returns No-hassle return policy
Secure Checkout SSL encrypted payment
Flat Rate Shipping
Any order • Any size • USA
$8.97
Have a question?
Check our FAQ for quick answers

This is a Genuine GM Brake Master Cylinder Reservoir designed for 2025-2026 Cadillac CT4 and CT5 models. It is an original equipment component that ensures reliable brake system performance.

This is a genuine OEM part manufactured to GM specifications. Fits multiple trim levels including Luxury, Premium Luxury, Sport, V, and V Blackwing. Compatible with 2.0L turbocharged 4-cylinder, 2.7L turbocharged 4-cylinder, 3.0L turbocharged V6, 3.6L turbocharged V6, and 6.2L supercharged V8 engines. Designed for single use application in North America and Canada markets.

Quick Part Facts

  • Condition: New OEM
  • Type: Brake Master Cylinder Reservoir
  • Application: Single Use
  • Market: North America, Canada
  • Engines: 2.0L Turbo L4, 2.7L Turbo L4, 3.0L Turbo V6, 3.6L Turbo V6, 6.2L Supercharged V8
  • Warranty: 1 Year

Fitment

Year Range Make Model Trim/Engine Notes/Options
2025-2026 Cadillac CT4 Luxury 2.0L Turbo L4 Single use; North America, Canada
2025-2026 Cadillac CT4 Premium Luxury 2.0L Turbo L4 Single use; North America, Canada
2025-2026 Cadillac CT4 Premium Luxury 2.7L Turbo L4 Single use; North America, Canada
2025-2026 Cadillac CT4 Sport 2.0L Turbo L4 Single use; North America, Canada
2025-2026 Cadillac CT4 V 2.7L Turbo L4 Single use; North America, Canada
2025-2026 Cadillac CT4 V Blackwing 3.6L Turbo V6 Single use; North America, Canada
2025-2026 Cadillac CT5 Premium Luxury 2.0L Turbo L4 Single use; North America, Canada
2025-2026 Cadillac CT5 Premium Luxury 3.0L Turbo V6 Single use; North America, Canada
2025-2026 Cadillac CT5 Sport 2.0L Turbo L4 Single use; North America, Canada
2025-2026 Cadillac CT5 V 3.0L Turbo V6 Single use; North America, Canada
2026 Cadillac CT5 V Blackwing 6.2L Supercharged V8 Single use; North America, Canada
Why Choose Conquest
No Games. Just Genuine Parts.
100% Genuine OEM
No aftermarket substitutes, no knockoffs — every part is the real thing, verified before it ships.
Fair Prices, No Games
Founded by someone who spent 15 years watching dealerships mark up and mislead — we built this to be different.
Verified In-House
Every part is checked against the OEM part number before it ships — not dropped straight from a warehouse untouched.
Real Person, Real Answers
Not sure it fits? Text or email us — you'll hear back from someone who actually knows the part, within 24 hours.