- Home Page /
- Automotive /
- Automotive Replacement Parts /
- Automotive Replacement Starters & Alternators /
- Alternators & Generators /
- Brackets /
- Holley EFI 558-475 Pulse Width Modulated (PWM...
0 ratings
Item #:
183577960
Holley EFI 558-475 Pulse Width Modulated (PWM) Alternator Harness
Item #:
183577960
CAD 177
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
Afterpay Information
Split your bill into 4 payments of CAD 44.25 interest-free
Add the item to your cart
Select Afterpay at checkout
Fill in your details
Complete your first payment
and pay the remaining in easy instalments or according to the payment plan you selected
Here’s why you should Afterpay it
Get everything you need now..
Shop thousands of brands and millions of products, online and in-store.
Pay over six weeks.
Make the first payment upfront and the rest over time. Always interest-free when you pay it in 4.
No fees when you pay on time.
We’ll send you reminders and cap late payments to help you get back on track.
(1) Terms and conditions. apply. (2) Installment Agreement. (3) Eligible for customers in. Canada, (4) Your final payment plan may vary depending on your credit history.
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Sunday, August 02
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Plug and play Holley EFI alternator harnesses for late model engines with Pulse Width Modulated alternators.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Efficient Power Management
The Holley EFI PWM Alternator Harness optimizes power delivery, ensuring efficient energy usage for high-performance applications, supporting reliable engine performance under various conditions.
Easy Installation
Designed for straightforward setup, this harness eliminates wiring complications, allowing enthusiasts and professionals to connect quickly, saving time and enhancing convenience.
Durable Construction
Built with high-quality materials to withstand the rigors of automotive environments, this harness promises longevity and reliable performance, making it a valuable investment for any EFI system.
Product Details
Who Should Buy?
-
Performance Enthusiasts
Ideal for car enthusiasts seeking enhanced electrical performance in high-demand automotive applications.
-
General Motors Owners
Perfect for owners of GM vehicles who need reliable and efficient power management from their alternators.
-
Custom Engine Builders
Great for builders working on custom engines, streamlining wiring and ensuring optimal alternator function.
-
Budget-Conscious Users
Not suitable for users seeking low-cost solutions, as this product has a premium price tag.
Product Description
Holley EFI 558-475 Pulse Width Modulated (PWM) Alternator Harness
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this harness compatible with older GM or Ford engines?
Answer: No, it is specifically designed for 2007+ PWM GM and 2005+ Ford engines. -
Question:
Do I need any additional parts for installation?
Answer: No, it is a plug and play system that includes everything needed for installation. -
Question:
Are installation instructions provided?
Answer: Yes, detailed instructions for installation and software configuration are included.
Holley EFI Brackets Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
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
CK
Chitra
Verified buyer
“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
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“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
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
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.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
CAD 177
Order now and get it around Sunday, August 02
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Compatible with 2007+ PWM GM and 2005+ Ford engines.
- Easy installation with plug and play design.
- Works seamlessly with Holley EFI and Terminator X main harnesses.
- Designed specifically for late model OEM alternators.
- Includes detailed instructions for installation.
- Streamlines software configuration for optimal performance.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.