TRICO CPO-40 Windshield Wiper Tower Left

( Brand: Trico ), ( Manufacturer Part Number: CPO-40 ), ( Type: Wiper Transmission And Linkage ), ( Oe/oem Part Number: 78604 ), ( Attachment Type: Bolt-on ), ( Material: Steel ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Country Of Origin: United States ), ( Placement On Vehicle: Front, Left, Right )

Review TRICO Chevy Windshield Wiper Tower Chrome Left Hand Original fits 1940

The **Trico CPO-40 Windshield Wiper Tower (Left Side, 1940 Chevrolet)** is a meticulously crafted, period-accurate restoration part designed to restore authenticity to vintage 1940 Chevrolet vehicles, particularly those equipped with the iconic Trico wiper system. This left-side wiper tower is a direct replacement for the original factory component, ensuring a seamless fit and flawless operation when paired with the corresponding right-side tower. Crafted from high-quality, durable materials, the CPO-40 tower features a robust, die-cast metal construction that mirrors the robust engineering of the era, complete with precise machining to match the original dimensions and tolerances. The design includes the classic Trico branding, with the iconic "Trico" script stamped into the metal, adding both functional integrity and historical authenticity to the restoration. The wiper arm mounts securely via a threaded stud, allowing for easy installation and adjustment, while the integrated pivot mechanism ensures smooth, reliable motion. Whether restoring a show-quality 1940 Chevy or maintaining a classic car for daily driving, this wiper tower delivers uncompromising quality and attention to detail, ensuring that every detail aligns with the original specifications. Perfect for enthusiasts seeking true period-correct performance, the Trico CPO-40 left-side wiper tower is a must-have for those who demand both form and function in their vintage automotive projects.

**Pros and Cons of Buying a Trico CPO-40 (1940 Chevrolet Windshield Wiper Tower, Left Side)**

1. **Authenticity and Vintage Appeal** The Trico CPO-40 is a classic, high-quality wiper arm designed for early Chevrolet vehicles, making it ideal for restoration or period-correct modifications. Its vintage appearance enhances the authenticity of a 1940s-era car.

2. **Durability and Reliability** Trico was a well-regarded manufacturer of automotive parts in the early to mid-20th century. The CPO-40, in particular, was built to last, with sturdy construction and mechanical reliability suited for the era s driving conditions.

3. **Functionality for Classic Cars** If you own or restore a 1940s Chevrolet, this wiper arm is a direct fit, ensuring proper operation without the need for extensive modifications. It maintains the original aesthetic while providing necessary functionality.

4. **Collectible Value** As a rare and well-preserved part, the CPO-40 could hold value for collectors or enthusiasts. Original or restored Trico components are often sought after in the classic car market.

5. **Compatibility with Aftermarket Parts** While designed for Chevrolets, some aftermarket suppliers may offer compatible replacements or adapters, making it easier to integrate into modern or modified setups if needed.

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1. **Limited Availability** Finding an exact match, especially in good condition, can be challenging. The CPO-40 is not mass-produced today, so sourcing may require searching through auctions, specialty dealers, or private collectors.

2. **Potential for Wear or Damage** If the part is not in pristine condition, it may require cleaning, refurbishing, or even replacement of internal components (e.g., bearings, linkages). Rust, corrosion, or mechanical wear could affect performance.

3. **Maintenance Requirements** Like many vintage parts, the CPO-40 may need periodic lubrication or adjustments to function smoothly. Modern synthetic lubricants or seals might not be compatible, requiring research into period-appropriate maintenance.

4. **Cost Relative to Modern Alternatives** Depending on condition and sourcing, the price could be higher than a modern aftermarket wiper arm. For a restoration project, this may be justified, but for a casual owner, it might not be cost-effective.

5. **Compatibility Issues with Modern Vehicles** If installed on a non-period vehicle or one with modern electrical systems, wiring or mounting adaptations may be necessary, potentially voiding warranties or requiring professional help.

6. **Limited Customization Options** Unlike modern wipers, the CPO-40 has fixed styling and functionality. Custom colors, materials, or performance upgrades (e.g., faster speeds) are not available, limiting personalization.

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The Trico CPO-40 is a highly desirable part for enthusiasts of 1940s Chevrolet vehicles, offering authenticity, durability, and a touch of automotive history. Its value lies in its role as a restoration or period-correct component rather than a practical, low-cost replacement for modern use. However, its limited availability, potential maintenance needs, and higher cost relative to contemporary alternatives must be carefully considered.

- **Buy if:** You are restoring or maintaining a 1940 Chevrolet and prioritize historical accuracy, authenticity, and the long-term value of a well-preserved vintage part. Ensure you thoroughly inspect the arm for damage and are prepared for any necessary refurbishment.

- **Avoid if:** You are looking for a quick, inexpensive replacement for a modern vehicle or lack the time/inclination to source, clean, or maintain a classic part. In such cases, a modern aftermarket wiper arm may be a more practical and cost-effective solution.

For those committed to the project, the CPO-40 is a worthwhile investment in preserving the integrity of a classic car. For others, the effort and expense may not justify the outcome.

Details:

Excellent condition-see photos. Correct for 1940 Chevy passenger cars, some small Old's Pontiac sedans. Drivers side - left hand I think this was never mounted or used New old stock with some dust, and shelf wear. 1940 Chevy Windshield Wiper Tower Driver Left Hand CPO-40 Original Trico 78604 and 60 x is marked on the armature, This.

No pitting, scuffs or scratches on the chrome finish.

part #: cpo40 price

• $14.99

specifications winshielwip:

• for makes: Chevy
• for years: 1940
• brand: Trico
• mpn: Cpo-40
• type: Wiper Transmission And Linkage
• oe/oem part number: 78604
• attachment type: Bolt-on
• material: Steel
• vintage part: Yes
• universal fitment: No
• country of origin: United States
• placement on vehicle: Front, Left, Right

shipping winshielwip:

• carrier: USPS
• type: Calculated
• cost: $10.15
• transit: 3-8 Days
• class: Standard
• service: USPS Ground Advantage

general winshielwip:

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

payments winshielwip:

• credit card: Mastercard
• other
• wallet: Google-pay

offer winshielwip:

• started: February 18, 2026
• options: Ship-to-home
• quantity: 2
• sold: 0
• availability: In Stock

returns winshielwip:

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

seller winshielwip:

• city: Clifton, Colorado
• # reviews: 3510
• rating: 99.7%

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