CADILLAC 620.GM6U59 Windshield Wiper Motor

( Part Type: Wiper Windshield Motor ), ( Genuine Oem: Yes ), ( Ipn: 620.gm6u59 )

Review CADILLAC Sedan Windshield Wiper Motor fits DEVILLE 1959

The **1959 Cadillac 620 (GM6U59) Deville Windshield Wiper Motor** is a meticulously crafted, vintage automotive component that embodies the engineering precision and timeless elegance of the golden age of American automobile manufacturing. Originally designed to power the iconic full-size Cadillac Deville a symbol of luxury, performance, and uncompromising craftsmanship this wiper motor remains a sought-after piece for restoration enthusiasts, classic car collectors, and mechanics preserving the integrity of mid-century automotive heritage. Engineered by General Motors in the late 1950s, this motor exemplifies the robust yet refined mechanical standards of the era, featuring a durable, all-metal construction with a cast-iron housing that ensures longevity and resistance to the harsh conditions of daily use. The GM6U59 wiper motor operates on a 12-volt electrical system, delivering smooth, reliable operation with its dual-speed mechanism, allowing drivers to toggle between a slower, deliberate sweep for light rain and a faster, more aggressive cycle for heavy downpours. Its design incorporates a robust armature and commutator system, meticulously balanced to minimize vibration and ensure consistent performance over thousands of cycles. The motor s wiring harness is meticulously routed, with high-quality, corrosion-resistant connectors that were standard in Cadillac s premium vehicles, ensuring durability even in the most demanding environments. For collectors and restorers, this wiper motor is not merely a functional part but a tangible piece of automotive history, reflecting the attention to detail that made Cadillac synonymous with opulence and engineering excellence. Whether integrated into a fully restored 1959 Deville or repurposed into a custom project, the GM6U59 wiper motor stands as a testament to the enduring legacy of American automotive innovation.

### Pros and Cons of Buying a 1959 Cadillac Deville Windshield Wiper Motor (GM6U59)

The 1959 Cadillac Deville windshield wiper motor (GM6U59) is a classic, high-quality component with several advantages for restoration or repair projects:

1. **Authentic Vintage Fitment** This motor is designed specifically for the 1959 Cadillac Deville, ensuring a perfect mechanical and aesthetic match. Using an original or high-quality reproduction ensures the wiper arms, blades, and linkage align correctly, maintaining the car s original appearance and functionality.

2. **Durable Construction** Cadillac motors from this era were built to last, featuring robust materials and precise engineering. The GM6U59 motor is likely to be more reliable than modern aftermarket alternatives, especially if sourced from a reputable vintage parts supplier.

3. **Aesthetic Appeal** For classic car enthusiasts, restoring a 1959 Cadillac with original or period-correct parts enhances its value and authenticity. The wiper motor s design complements the car s vintage styling, making it a desirable feature for show cars or concours participants.

4. **Ease of Installation** Since it is designed for the Deville, the motor should fit seamlessly into the existing wiper mechanism with minimal modifications. This reduces the complexity of the installation process compared to aftermarket parts that may require additional adjustments.

5. **Historical Significance** Owning a genuine or well-reproduced vintage part adds to the car s historical value. For collectors, this can be a point of pride and a key factor in preserving automotive heritage.

6. **Potential for Customization** If sourced from a supplier that offers customization options (such as different blade styles or wiring configurations), the motor can be tailored to specific preferences without sacrificing authenticity.

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1. **Limited Availability** Vintage parts, especially for specific Cadillac models like the 1959 Deville, can be difficult to find. Prices may be higher due to scarcity, and lead times could be longer than for mass-produced modern parts.

2. **Higher Cost** Compared to contemporary aftermarket wiper motors, a genuine or high-quality reproduction of this vintage motor will likely cost significantly more. Budget-conscious buyers may need to weigh the expense against the car s overall restoration budget.

3. **Potential for Wear or Damage** If purchasing a used motor, there is a risk of hidden damage (e.g., corroded contacts, worn gears, or broken springs). Thorough inspection or sourcing from a trusted seller is essential to avoid purchasing a faulty unit.

4. **Compatibility Concerns** While the GM6U59 is designed for the 1959 Deville, slight variations in wiring, mounting, or linkage may exist between different Cadillac models or even different years. Double-checking compatibility with the specific vehicle is crucial to avoid installation issues.

5. **Maintenance and Repairs** Vintage motors may require more frequent maintenance or specialized repairs compared to modern units. Parts for repairs could be harder to source, and labor costs for restoration work may be higher.

6. **Modern Alternatives May Suffice** For non-show cars or those used primarily for driving, a modern aftermarket wiper motor (even one designed for classic cars) might offer similar functionality at a lower cost. The trade-off in authenticity may not be worth the expense for every owner.

7. **Electrical Compatibility Issues** The wiring harness or electrical system in some restored or modified classic cars may not align perfectly with the original motor s requirements. Additional wiring work or adapters might be necessary, adding to the project s complexity.

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The 1959 Cadillac Deville windshield wiper motor (GM6U59) is an excellent choice for enthusiasts prioritizing authenticity, durability, and historical accuracy in their restoration projects. Its vintage construction and precise fitment make it ideal for show cars, concours entries, or owners who value originality. However, the higher cost, limited availability, and potential maintenance challenges mean it may not be the best option for casual drivers or those on a tight budget.

For buyers who are committed to preserving their Cadillac s heritage and are willing to invest in quality, the GM6U59 motor is a worthwhile purchase. Conversely, those seeking a balance between cost and functionality might consider modern aftermarket alternatives, especially if the car is not intended for high-end display.

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- You are restoring a 1959 Cadillac Deville for show purposes or as a concours project.

- You prioritize authenticity and are willing to pay a premium for a high-quality, period-correct part.

- You have access to a trusted supplier (e.g., a reputable vintage parts dealer or restoration shop) that offers warranties or guarantees.

- You are prepared for potential maintenance challenges and have the skills or resources to address them.

- Your budget is limited, and you are willing to compromise on authenticity for a more affordable modern motor.

- The car is primarily used for driving rather than display, and functionality is more important than historical accuracy.

- You cannot verify the motor s condition thoroughly before purchase, and you prefer to minimize risks of hidden damage or incompatibility.

Ultimately, the decision should align with your project s goals, budget, and long-term vision for the vehicle. For the purist, the GM6U59 motor is a fantastic investment; for others, a practical compromise may be more suitable.

Details:

No expedited shipping is available.

specifications winshielwip:

• for models: Deville
• for makes: Cadillac
• for years: 1959
• part type: Wiper Windshield Motor
• genuine oem: Yes
• ipn: 620.gm6u59

offer winshielwip:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: April 23, 2026
• best offers: True
• sold: 0

seller winshielwip:

• rating: 99.9%
• # reviews: 61992
• city: Richland, Mississippi

payments winshielwip:

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

returns winshielwip:

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

shipping winshielwip:

• service: UPS Ground
• transit: 2-6 Days
• cost: $51.10
• class: Standard
• carrier: UPS
• type: Calculated

general winshielwip:

• Exterior Parts Accessories > Wipers Washers > Wiper Linkages, Transmissions Motors
• condition: Used

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