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20+ Years of Alcon Experience. FREE SHIPPING on all Brake Kits (USA) - Open M-F 8-5
20+ Years of Alcon Experience. FREE SHIPPING on all Brake Kits (USA) - Open M-F 8-5
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DBA43770S 4000 Series T3 Slotted Front Brake Rotor - Toyota Land Cruiser (J300 / J310)

by DBA
SKU DBADBA43770S
Save 15% Save 15%
$376.85 USD
$376.85 USD - $376.85 USD
$376.85 USD
$318.87 USD
$318.87 USD - $318.87 USD
$318.87 USD

Lead Time: Good: 1-2 Days


Est. Ship By: Monday, August 31

Est. Delivery: Wednesday, September 02 - Monday, September 07


These estimates are based on recent lead times for this item and are not guaranteed. We will contact you if your order will be outside this estimate.

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Explore common maintenance and service items recommended.

Street Brake Fluids:

Racing/Hi Temp Fluids:

Caliper Temp Strips: Wide Band Temp Strips

Rotor Temp Paint: Genesis Temp Paint

For ✔guaranteed fit (only applicable if you buy direct from Alconkits.com) check our certified applications below:

PRODUCT INFORMATION

This DBA 4000 Series T3 Slotted component, part number DBA43770S, is engineered for front-axle fitment on the Toyota Land Cruiser (J300/J310).

The one-piece 4000 Series casting uses high-carbon alloyed iron and heat treatment to remain stable under braking loads beyond those expected of a basic replacement rotor. On the Toyota Land Cruiser (J300/J310), it provides a purposeful option for towing, larger tires, added vehicle weight, mountain travel and demanding 4WD use.

How This Rotor Is Used

This part is intended for towing, larger tires, added vehicle weight, mountain travel and demanding 4WD use. It retains the vehicle-specific mounting dimensions shown in the fitment data and installs in the original component location.

Technical Details

  • Position: Front axle
  • Product: 4000 Series T3 Slotted direct-replacement brake rotor
  • High-carbon alloyed iron with Thermal Stability Profiling
  • CBN-machined friction surface to control disc-thickness variation
  • Thermographic heat paint for temperature monitoring
  • CNC-machined T3 tri-symmetrical slot pattern
  • Performance-oriented direct-replacement dimensions
  • Six-lug hub configuration
  • Quantity: Sold individually; order two to service both sides of the axle
  • Manufacturer part number: DBA43770S

Alconkits Technical Note: For Toyota Land Cruiser (J300/J310), This is the practical upgrade when repeated heat is a concern but a complete two-piece 5000 Series system is unnecessary. This listing is configuration-specific: six-lug hub configuration.

Common Questions

Is DBA DBA43770S sold individually or as a set?

It is sold individually. Order two rotors to service both sides of the listed axle.

What type of driving is this part designed for?

It is best matched to towing, larger tires, added vehicle weight, mountain travel and demanding 4WD use. The 4000 Series T3 Slotted specification determines its balance of response, heat capacity, noise and serviceability.

What should be verified before installation?

The vehicle must match the fitment table and the listed six-lug hub configuration. Vehicle model alone is not enough to confirm the brake package.

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⚠️ These recommendations are based on your stated usage profile. Availability varies by vehicle — use our year/make/model fitment lookup to confirm compatibility. Questions? Contact our team.

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