Air and Fuel Superchargers, Turbochargers and Components

Trick Flow

LS Engine Steam Line -4 AN Alum Black Each

$18.99

SKU: T04J TFS-30600611

In Stock
In Stock
Ships by Sep 22
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Trick Flow® engine steam line fitting is a male connector type, -4 AN size fitting constructed from black anodized billet aluminum. It attaches to the corners of GM LS cylinder heads and upgrades the factory steam tubes for modified LS-powered cars and trucks. This fitting is sold individually and may require minor clearancing if used with an aftermarket aluminum intake manifold.
Show original supplier description

Part #: TFS-30600611

Steam Vent Fitting - 4 AN Male - Bolt Included - GM LS-Series - Kit

Vehicle Symptoms
  • Coolant leak at cylinder head corners
  • Overheating under load or after spirited driving
  • Visible steam or coolant smell from engine bay
  • Low coolant level without visible leak elsewhere
  • Coolant puddle near intake manifold after shutdown
Relevant Conversations
  • LS steam line fitting leaking coolant
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  • AN -4 steam line fitting LS engine
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  • LS engine overheating after supercharger install
  • Best steam line fittings for LS swap
  • Trick Flow vs OEM steam vent fitting
  • Steam line fitting O-ring replacement LS
  • LS coolant leak at head corners fix

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

BrandTrick Flow
Part NumberT04J TFS-30600611

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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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