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Item #:
88778728
558-416 Main Harness Fuel Wiring Harness Adapter fit for LS3 MAP Sensor Adapter
Item #:
88778728
TTD 89
Price Details
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*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Saturday, August 22
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The 558-416 is an adapter harness that seamlessly connects LS1 and LS2 MAP sensors to LS3, ensuring optimal performance for your LS engine.
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What Stands Out
Easy Installation
Designed for straightforward plug-and-play installation, this harness simplifies connecting your LS3 MAP sensor, eliminating complex wiring modifications.
Enhanced Compatibility
Engineered specifically for LS3 engines, this adapter ensures perfect fitment and reliability, enhancing performance compared to generic alternatives.
Durable Materials
Constructed with high-quality insulation and connectors, this wiring harness offers exceptional durability and resistance to wear, ensuring long-lasting performance under various conditions.
Product Details
| Brand Name | smart repairboy |
| Manufacturer | Smart Repairboy |
| Part Number | 558-416 |
| Unit Count | 1.0 Count |
| Included Components | 1x LS Main Harness Fuel Injection Wiring Harness Adapter |
| Item Weight | 0.13 Pounds (60 grams) |
| Connector Type | 4-pin Deutsch Dt |
| Material Type | Copper (insulation material not specified) |
| Cable Type | custom |
| Brand | smart repairboy |
| Material | Copper (insulation material not specified) |
| Number of Items | 1 |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Car Enthusiasts
Perfect for automobile fans looking to enhance their vehicle with LS3 MAP sensors for improved performance.
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Mechanics & Technicians
Ideal for professionals who require reliable wiring solutions for custom engine builds or repairs in LS3 applications.
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Custom Build Projects
Great for DIY enthusiasts working on versatile custom projects where LS3 MAP sensor integration is essential.
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Casual Drivers
Not suitable for everyday car users who do not modify their vehicles for performance or upgrades.
Product Description
558-416 Main Harness Fuel Wiring Harness Adapter fit for LS3 MAP Sensor Adapter
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the main function of the 558-416 adapter harness?
Answer: It adapts LS1 and LS2 MAP sensors to LS3, optimizing engine performance. -
Question:
Is the adapter compatible with LS Hi-Ram intakes?
Answer: Yes, it's specifically designed for use with LS Hi-Ram intakes requiring LS3 MAP sensors. -
Question:
What materials are used in the wiring of the adapter?
Answer: The wiring features high-quality copper core for superior electrical conductivity.
smartrepairboy Wiring Harnesses Editorial Review
The 558-416 Main Harness Fuel Wiring Harness Adapter has garnered a positive reception from customers who highlight its precise fit and functionality when integrating an OEM-style MAP sensor into a Holley Terminator X system. Users report that the adapter performs reliably with no issues encountered during its use. Several reviewers appreciate the cost-effectiveness of this product compared to the official Holley alternative, making it a popular choice among those looking to achieve compatibility with their LS3 MAP sensors. The simplicity of installation and effectiveness in bridging the connection between older style MAP sensors and updated harness setups have further contributed to its favorable evaluations. Overall, this adapter seems to excel in delivering what it promises, meeting user expectations in terms of performance, compatibility, and value. **
Customer Reviews & Ratings
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Pros
- Exact fit for OEM-style MAP sensors
- Cost-effective compared to Holley products
- Easy installation with older style MAP sensor harnesses
Cons
- Limited feedback on long-term durability (not addressed in reviews).
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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TTD 89
Order now and get it around Saturday, August 22
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Easily adapts LS1/LS2 MAP sensors to LS3 for enhanced performance.
- Perfect for LS Hi-Ram intakes requiring LS3 MAP sensors.
- Includes one high-quality Fuel Injection Wiring Harness Adapter.
- Features durable copper core wires for excellent electrical conductivity.
- Designed for high power efficiency and longer service life.
- Simple installation for a smoother engine upgrade process.
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