HomeBrake > Hoses and PipesDorman H620798 Brake Hydraulic Hose - Rear Right
Part #: H620798

Dorman H620798 Brake Hydraulic Hose - Rear Right

Rear Right
⚙️ 12 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$31.84Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick and Cadillac, DTS and Lucerne
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Brake Hydraulic Hose for Buick DTS and Cadillac Lucerne

The Dorman H620798 brake hydraulic hose is designed to provide dependable brake fluid transfer for your Buick DTS or Cadillac Lucerne. Engineered with durable materials, this flexible brake hose ensures consistent performance and safety under various driving conditions.

  • Compatible with Buick DTS and Cadillac Lucerne models
  • Constructed with EPDM rubber hose material for flexibility and durability
  • Black outer sleeve made of rubber for protection against wear
  • Ends feature treated steel fittings: banjo fitting on one end and female fitting on the other
  • Includes gaskets for a secure, leak-free connection
  • Overall length of 12 inches with a 9.38-inch axis length for precise fitment
  • End 1 thread diameter of 10 mm and end 2 fitting inside diameter of M10 x 1.0

Durable Construction and Precise Fitment

This Dorman brake hydraulic hose (part number H620798) is built with EPDM rubber, known for its resistance to heat, ozone, and brake fluid exposure. The black rubber outer sleeve adds an extra layer of protection against abrasion and environmental factors. Both ends of the hose feature treated steel fittings—one banjo type and one female type—ensuring a secure and corrosion-resistant connection. The included gaskets help maintain a tight seal, preventing brake fluid leaks. With an overall length of 12 inches and specific thread and fitting sizes, this hose is engineered to match the exact specifications required for Buick DTS and Cadillac Lucerne brake systems.

Applications and Common Issues Addressed

  • Replacement of worn or cracked brake hydraulic hoses
  • Resolving brake fluid leaks caused by damaged fittings or seals
  • Restoring proper brake fluid pressure and pedal feel
  • Addressing hose swelling or bulging due to internal damage
  • Ensuring safe brake system operation after collision repairs

Installation Notes and Tips

When installing the Dorman H620798 brake hydraulic hose, ensure all old hose components and fittings are fully removed. Use the included gaskets to create a leak-free seal at both connection points. Avoid twisting or kinking the hose during installation to maintain flexibility and prevent premature failure. Verify that the hose length and fitting types match your vehicle’s specifications before installation. Bleed the brake system thoroughly after replacement to remove any air and restore proper brake function.

Quality Assurance and Warranty

Dorman brake hydraulic hoses are manufactured to meet or exceed OEM standards for fit, form, and function. The H620798 part undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.

BrandDorman
Part NumberH620798
ColorBlack
Outer Sleeve MaterialRubber
Mounting Hardware IncludedNo
Bracket IncludedNo
Gasket Or Seal IncludedYes
Axis 1 Length9.38
End 1 Fitting MaterialTreated steel
End 1 Fitting TypeBanjo
End 2 Fitting MaterialTreated steel
End 2 Fitting TypeFemale
Overall Length12
Jacket IncludedNo
Describe TypeFlexible hose
End 1 Thread Diameter10 mm
End 2 Fitting Inside DiameterM10 x 1.0
Hose MaterialEpdm rubber
Package Contents1 brake hose; gaskets

This part fits 12 vehicles. Search below:

YearMakeModelPositionNotes
2011BuickLucerneRear Right
2011CadillacDTSRear Rightw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2010BuickLucerneRear Right
2010CadillacDTSRear Rightw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2009BuickLucerneRear Right
2009CadillacDTSRear Rightw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2008BuickLucerneRear Right
2008CadillacDTSRear Rightw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2007BuickLucerneRear Right
2007CadillacDTSRear Rightw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)
2006BuickLucerneRear Right
2006CadillacDTSRear Rightw/RPO Code JL9 (Power Brakes, 4 Wheel Disc, w/ABS)

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

150.6242715141242176-14502205146BH143982BH383269

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.