Sale

HKS GTIII-4R

GTIII-5R Turbocharger

$3,850.00 $3,325.00 Save $525.00

SKU: 14001-AK031

In Stock
In Stock
Ships by Aug 29
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

The HKS GTIII-5R turbocharger (part number 14001-AK031) is a high-output unit successor to the T51 SPL BB. Engineered for robust performance, it can reliably handle power outputs exceeding 800 PS, despite its compact dimensions. The unit features a durable aluminum forged impeller and a 1.00 A/R turbine housing. This turbocharger is designed for compatibility with T51R series turbines and includes dedicated oil and water line fittings. It is also compatible with an impeller wheel rotation sensor, which is sold separately, to provide crucial performance monitoring. Fitment is described as MULTIPLE FITTING, indicating it is not specific to a single vehicle model. Buyers should confirm specific application details and potential installation requirements before purchase.

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

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHKS GTIII-4R
Part Number14001-AK031
CategoryAir and Fuel

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy