1. Sterndrive Electrical For Sale.
  2. sku: 3164779909323713
  3. PROTORQUE PH400-0003

PROTORQUE PH400-0003 Stator Amplifier 865369007899 73-88 9-AMP

fits model: 300, Mariner. make: Mercury. year: 1990.

Ph400-0003 Protorque Stator For Mercury / Mariner 90 - 300 Hp 73-88 9 Amp

( Brand: Protorque ), ( Manufacturer Part Number: PH400-0003 ), ( Part Type: Hp Stator Amplifier ), ( UPC: 865369007899 )

Review PROTORQUE Stator Mercury Hp 73-88 Amp fits MARINER 300 1990

Introducing the Protorque PH400-0003 stator, an essential component for the Mercury Mariner 90 300 HP engine manufactured between 1973 and 1988. This high-performance stator is meticulously designed to deliver superior reliability and durability, ensuring your marine engine operates at peak efficiency.

The Protorque PH400-0003 stator is engineered with the finest materials and advanced manufacturing techniques. Its robust construction features a high-strength laminated core, which minimizes eddy current losses and reduces heat buildup. This results in enhanced power output and cooling capacity, translating to superior performance and longer engine life.

The windings of the Protorque PH400-0003 stator are meticulously wound using only the highest-quality copper wire. This ensures optimal conductivity and electrical efficiency, delivering a strong magnetic field and consistent power output. The windings are then insulated with a high-temperature, UV-resistant coating to protect them from the harsh marine environment and ensure a long service life.

The Protorque PH400-0003 stator is specifically designed for the Mercury Mariner 90 300 HP engine, ensuring a perfect fit and seamless integration. Its dimensions and specifications are precisely matched to those of the original equipment manufacturer (OEM) part, ensuring a direct replacement with no need for modifications or additional components.

Installing the Protorque PH400-0003 stator is a straightforward process. It comes complete with all necessary hardware, ensuring a hassle-free installation experience. The stator is also compatible with both new and rebuilt alternators, making it a versatile solution for a wide range of marine applications.

In conclusion, the Protorque PH400-0003 stator is a premium replacement component for the Mercury Mariner 90 300 HP engine, offering enhanced reliability, durability, and performance. Its robust construction, superior materials, and precise manufacturing ensure a perfect fit and seamless integration, making it an ideal choice for marine enthusiasts seeking to maximize the performance and longevity of their engines.

The Protorque PH400-0003 stator is a popular aftermarket option for Mercury Mariner 300 HP engines with a 90 amp alternator. Here are some potential pros and cons of purchasing this stator:

Pros:

1. Enhanced Performance: The Protorque PH400-0003 stator is designed to provide improved electrical output and charging efficiency compared to the OEM stator. This can lead to better battery charging and improved performance in general.

2. Durability: Protorque stators are known for their robust construction and longer lifespan compared to OEM stators. This can save you money in the long run by reducing the need for frequent replacements.

3. Easy Installation: The Protorque PH400-0003 stator is a direct replacement for the OEM part, making installation relatively straightforward.

Cons:

1. Cost: The Protorque PH400-0003 stator may be more expensive than the OEM part. However, the potential performance and durability benefits may outweigh the additional cost for some users.

2. Compatibility: While the Protorque PH400-0003 stator is designed to fit Mercury Mariner 300 HP engines with a 90 amp alternator, it's always a good idea to double-check compatibility with your specific vehicle and engine configuration before making a purchase.

In conclusion, the Protorque PH400-0003 stator offers potential benefits in terms of performance and durability, but it may come with a higher cost compared to the OEM part. If you're looking for a reliable and long-lasting solution for your Mercury Mariner's charging system, the Protorque stator could be a worthwhile investment. However, it's important to ensure compatibility with your specific engine and vehicle before making a purchase.

Recommendation:

If you're in the market for a new stator for your Mercury Mariner 300 HP engine with a 90 amp alternator, the Protorque PH400-0003 is a solid choice. Its enhanced performance, durability, and easy installation make it an attractive option for those looking to improve their vehicle's charging system. However, be sure to double-check compatibility with your specific engine and vehicle configuration before making a purchase.

Details:

Protorque Stator PH400-0003 for Mercury / Mariner 90 - 300 Hp 73-88 9 Amp, OE#'s: 398-2121A17 398-5454A17.

part #: ph4000003 prices

  • $233.48-$314.65

specifications steelectr:

  • for models: 300, Mariner
  • for makes: Mercury
  • for years: 1990
  • brand: Protorque
  • mpn: Ph400-0003
  • part type: Hp Stator Amplifier
  • upc: 865369007899

payments steelectr:

  • wallet: Paypal
  • credit card: Discover
  • other

general steelectr:

  • Boat Parts > Sterndrive Motors Components > Electrical Systems
  • condition: New

seller steelectr:

  • city: Hauppauge, New York
  • rating: 100.0%
  • # reviews: 140

offer steelectr:

  • availability: In Stock
  • options: Ship-to-home
  • started: October 17, 2025
  • quantity: 1
  • sold: 0

shipping steelectr:

  • transit: 5-11 Days
  • carrier: USPS
  • cost: $0.00
  • type: Fixed
  • class: Expedited
  • service: USPS Priority Mail

returns steelectr:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
for models: 300, mariner, for makes: mercury, for years: 1990, part type: hp stator amplifier,
category: boat parts > sterndrive components > electrical systems, sku: 3164779909323713,
Protorque PH400-0003 Is Similar To:
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3 offers $233.48–$314.65 USD
  • New. Offer #1 priced at $233.48 + $0.00 shipping estimate = $233.48* total. FREE SHIPPING
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  • New. Offer #3 priced at $314.65 + $12.50 shipping estimate = $327.15* total. OEM Cross Reference 398-2121A17, 398-5454A17.+$12.50 shipping

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