OEG PARTS PPIH789 Voltage Regulator IH789-1178 4.2L

( Brand: Oeg Parts ), ( Type: Voltage Regulator ), ( Manufacturer Part Number: PPIH789 ), ( Country Of Origin: China ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: No ), ( Ipn: Ih789-1178 ), ( Spec General: 12v ), ( Spec Internal Id: Ppih789-e1 )

Review OEG PARTS New Voltage Regulator Audi 4.2l Ih789 fits QUATTRO A8 2004–2005

The OEM (Original Equipment Manufacturer) PPIH789 Voltage Regulator is a critical component in the electrical system of certain Audi A8 Quattro models equipped with the 4.2L engine and manufactured between the years 2004 and 2005. This voltage regulator, specifically part number 1178, plays a significant role in maintaining a consistent voltage level in the vehicle's electrical system.

The PPIH789 voltage regulator is designed with advanced technology to ensure optimal performance. It features an adjustable output voltage that can range from 13.8 to 14.5 volts, depending on the vehicle's requirements. This flexibility enables the regulator to effectively manage the electrical load in various operating conditions.

The regulator is constructed with high-quality materials to ensure durability and reliability. It is designed to withstand the harsh conditions found in automotive environments, including extreme temperatures and vibrations. The regulator's housing is made of a robust material, while the internal components are coated with a protective substance to prevent corrosion.

The PPIH789 voltage regulator is a crucial component in the charging system of the Audi A8 Quattro. It regulates the voltage output from the alternator, ensuring that the battery is consistently charged and that the vehicle's electrical system receives a steady power supply. A faulty voltage regulator can cause various issues, such as a weak battery, erratic electrical behavior, and even engine stalling.

Installation of the PPIH789 voltage regulator is a relatively straightforward process, but it is recommended that the job be performed by a qualified technician. The regulator is typically located near the battery, and the installation process involves removing the old regulator, connecting the new one, and adjusting the voltage setting as needed. Proper installation ensures the optimal performance and longevity of the new voltage regulator.

In summary, the OEM PPIH789 Voltage Regulator is an essential component in the electrical system of certain Audi A8 Quattro models. Its advanced technology, durable construction, and adjustable output voltage make it an effective and reliable solution for maintaining a consistent electrical power supply in the vehicle. Replacing a faulty voltage regulator with a new, genuine OEM part like the PPIH789 ensures the continued optimal performance of the electrical system in your Audi A8 Quattro.

The OEM (Original Equipment Manufacturer) PPIPHI789 voltage regulator is a crucial component in the electrical system of Audi A8 Quattro models with 4.2L engines produced between 2004 and 2005. This voltage regulator is responsible for maintaining a stable voltage output to the electrical system. Here are some pros and cons associated with buying this specific OEM part.

1. OEM Part: This voltage regulator is an original equipment part, meaning it's an exact match to the one that came with your Audi A8 Quattro from the factory. It ensures a perfect fit and optimal performance.

2. High-quality: OEM parts are manufactured to meet or exceed the original equipment specifications. In this case, the PPIPHI789 voltage regulator is designed specifically for your vehicle and is expected to last as long as the original part did.

3. Warranty: Buying an OEM part from a reputable dealer or through the Audi dealership often comes with a warranty. This can provide peace of mind and protection against potential defects or failures.

4. Reliability: OEM parts are known for their reliability, as they are designed to work seamlessly with your vehicle's systems.

1. Cost: OEM parts tend to be more expensive than aftermarket alternatives. This is due to their high-quality manufacturing processes and the brand reputation associated with them.

2. Availability: Depending on the dealer or supplier, availability of OEM parts might be limited. It's essential to plan ahead and order the part well in advance to ensure a timely repair.

3. Lead time: Once ordered, the lead time for receiving an OEM part can be longer compared to aftermarket alternatives. This can lead to increased downtime for your vehicle.

In conclusion, the OEM PPIPHI789 voltage regulator for the Audi A8 Quattro 4.2L (2004-2005) offers several advantages, such as a perfect fit, high-quality manufacturing, reliability, and a potential warranty. However, it comes with a higher cost and longer lead time compared to aftermarket alternatives. Ultimately, the decision to purchase an OEM voltage regulator depends on your priorities, budget, and the importance of having a genuine Audi part in your vehicle. If you value the peace of mind and the assurance of a perfect fit, an OEM part is the best choice for you. However, if you're looking for a more budget-friendly option with quicker availability, aftermarket alternatives might be worth considering.

Details:

1 Year Warranty. With the exemption of us. OEG Parts New voltage Regulator Compatible With Audi A8 Quattro 4.2L 2004 -2005.: Regulator Brush Holder; condition: New; voltage : 12V; Country of Origin: CN.

You can also find our phone number by ING on FAQs > Other. Same Day Handling. PART NUMBERS, Hitachi: 1178, Transom: IH789.

part #: ppih789 prices

• $18.95-$109.52

specifications rightrectifier:

• for models: A8, Quattro
• for makes: Audi
• for years: 2004-2005
• brand: Oeg Parts
• type: Voltage Regulator
• manufacturer part number: PPIH789
• country of origin: China
• manufacturer warranty: 1 Year
• universal fitment: No
• interchange part number: IH789-1178
• spec general: 12v
• spec internal id: Ppih789-e1

returns rightrectifier:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

offer rightrectifier:

• options: Ship-to-home
• started: March 26, 2026
• sold: 0
• availability: In Stock

payments rightrectifier:

• credit card: Diners-club
• wallet: Google-pay
• other

shipping rightrectifier:

• class: Standard, Expedited, One-day
• type: Fixed
• transit: 3-6 Days
• service: Standard, Expedited, Overnight
• cost: $0.00

seller rightrectifier:

• rating: 99.5%
• # reviews: 113079
• city: Miami, Florida

general rightrectifier:

• condition: New
• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Voltage Regulators Rectifiers

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