Exterior Components› Body Panels and Components

Holley

PRO-JECTION TPS 4D,4DI STYLE

$126.95

SKU: H00E 543-29

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Holley 543-29 is a Throttle Position Sensor designed for use with electric choke equipped Holley carburetors. This sensor features a black color and a 3-pin connector, though the connector itself is not included.

It is also compatible with electronic overdrive transmissions, such as the 4L, making it a versatile component for various applications.
Show original supplier description

Part #: 543-29

Throttle Position Sensor for 2 bbl TBIs PNs 502-3, 502-4, 502-5, 502-6, 502-7; 4 bbl TBIs PNs 534-171, 534-172, 534-173, 534-187; Avenger EFI 4bbl TBIs PNs 550-400, 550-401, 550-402; Avenger EFI 2bbl TBI PN 550-200

Features:

  • Genuine Holley Quality Parts

Throttle Position Sensor for 2 bbl TBIs PNs 502-3, 502-4, 502-5, 502-6, 502-7; 4 bbl TBIs PNs 534-171, 534-172, 534-173, 534-187; Avenger EFI 4bbl TBIs PNs 550-400, 550-401, 550-402; Avenger EFI 2bbl TBI PN 550-200

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

BrandHolley
Part NumberH00E 543-29
Weight0.15 lb

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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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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