Nissan Navara D40 320mm Sumitomo Front Brake Disc (Single), 4000 Series T3 Slotted – DBA

This DBA 4000 Series T3 Slotted front brake disc is a T3 slotted heavy-duty upgrade for compatible Nissan Navara D40 models using the 320mm front brake package. It retains the original mounting dimensions while offering the construction and surface design appropriate to its DBA range.

This listing is for one front brake disc.

Identify the Front Brake Package

This is the larger 320mm D40 front disc used with the Sumitomo brake package and DB1696 pad shape. It is not interchangeable with the 295.6mm DBA2310 disc and DB1835 Tokico-type pad package. Measure the existing disc and confirm the caliper or pad type before ordering.

Important Information

• This listing is for one disc only. Order two discs to replace the complete front axle pair.
• Brake discs should be replaced in axle pairs and fitted with correctly matched, serviceable pads.

Features and Benefits

• T3 tri-symmetrical slots help manage friction gases and pad-face condition
• XG150 high-carbon alloyed iron
• Thermal Stability Profiling for repeated heavy braking
• Kangaroo Paw pillar ventilation and thermographic heat monitoring

Vehicle Compatibility

• Nissan Navara D40 2.5 TD, 2005 to 2014, with the 320mm Sumitomo front brake package
• Nissan Navara D40 3.0 TD, 2010 to 2014, with the 320mm Sumitomo front brake package

Technical Specifications

• Manufacturer part number: DBA42312S
• GTIN: 9316391374110
• Weight: 9.58kg
• Disc diameter: 320mm
• Nominal thickness: 28mm
• Minimum thickness: 26mm
• Overall height: 38.5mm
• Centre bore: 68mm
• Number of holes: 6
• Matched pad reference: DB1696 Sumitomo-type front pads
• DBA range: 4000 Series T3 Slotted

Installation and Checks

Professional installation is recommended. Clean the hub face and new disc correctly, check run-out after fitting, replace discs in axle pairs, bed the pads and discs in according to DBA’s instructions, and tighten all fasteners to Nissan’s specifications.

If the existing brake package cannot be identified confidently, compare the disc diameter, pad shape and manufacturer part references before ordering. Product photographs should be used as a guide alongside the technical dimensions.