Drivetrain› Differentials and Rear-End Components

Nissan

Quaife ATB Helical Differential for R200

$1,246.93

SKU: QDF7L

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Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Quaife QDF7L ATB Helical Differential is a performance limited-slip unit designed for Nissan R200 rear differentials. It functions as a direct replacement for factory open differentials, providing improved traction and handling by biasing torque to the wheel with the most grip through a gear-based system.
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The Quaife QDF7L ATB Helical Differential is a precision-engineered performance upgrade designed to replace standard factory open differential units in Nissan R200 applications. By utilizing a gear-operated system rather than conventional clutch plates, this differential delivers smooth, progressive torque biasing that never locks harshly, significantly improving traction and handling balance while reducing understeer and oversteer during aggressive driving. Constructed from Corus steel billets using CNC machining and CAD design, this unit is inspected to ISO 9001 standards to ensure durability for road and motorsport use. It installs into R200 differentials commonly found in vehicles such as the Nissan 300ZX (Non-Turbo), 240SX (S13, S14), Infiniti J30, and JDM models including the Silvia and R32/R33/R34 Skylines. Installation requires specific attention to compatibility: this unit is only compatible with 29-spline differential stub axle flanges. Users must verify the spline count of their specific axle stubs before purchase, as there are various stub axle variations for R200 differentials. Additionally, the installation requires the use of two short stub shafts.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandNissan
Part NumberQDF7L
CategoryDrivetrain

Videos

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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