551699 Heater Core Bypass Hose- (5/8" & 3/4") + 2 Premium Clamps — Universal Coolant Crossover for LS1/LS2/LS3/LS6/LT1/LT4 Swaps
US$4.80
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US$4.80
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by www.hikari.fi
Free 30-day returns Details
Product details
| Management number | 233907958 | Release Date | 2026/06/27 | List Price | US$4.80 | Model Number | 233907958 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- High-Grade Replacement for GM Part #551699 — engineered for leak-free, high-temp durability.
- Precision Dual-Sized Ends: 5/8" on one side, 3/4" on the other — perfect fit for LS/LT water pump bypass ports.Precision Dual-Sized Ends: 5/8" on one side, 3/4" on the other — perfect fit for LS/LT water pump bypass ports.
- Fits 98–2024 Gen III/IV/V LS & LT engines — including LS1, LS2, LS3, LS6, LS7, LT1, LT4, LQ4, LQ9, LM7, LH6, LY6, L92, L76, and more.
- Redirects coolant flow away from heater core — essential for race builds, LS swaps, and cold-climate performance tuning.
- Includes 2x ultra-flexible 4-ply black silicone hose+ 4stainless steel T-bolt clamps — no extra parts needed.
| ASIN | B0DFFWGP4V |
|---|---|
| Size | 5/8" and 3/4" |
| Color | Black |
| Brand Name | plrtliren |
| Unit Count | 1.0 Count |
| Item Weight | 4.54 g |
| Thread Type | NPT |
| Manufacturer | Huihandaparts |
| Model Number | 551699 |
| Material Type | Rubber |
| Connector Type | Push-On |
| Item Dimensions | 1 x 1 x 0.1 inches |
| Number of Pieces | 2 |
| Manufacturer Part Number | 551699 |
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