STEWART WARNER D-353-Z Nos Oil Pressure Sender 68

( Brand: Stewart Warner ), ( Manufacturer Part Number: D-353-Z ), ( Type: Oil Pressure Gauge Sender ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review STEWART WARNER Nos Vintage Oil Pressure Sender 68 fits SHELBY MUSTANG KR 500

The **Stewart-Warner D-353-Z NOS Oil Pressure Sender** is a meticulously preserved, no-substitute original component designed specifically for the legendary **1968 Shelby Mustang KR/500**, a high-performance icon that demands precision engineering to maintain its legendary reputation. This oil pressure sender, a critical part of the vehicle s lubrication system, is a fully functional, never-overhauled (NOS) unit, ensuring that it retains its original factory specifications and performance characteristics from the day it left the assembly line. Crafted from durable materials and built to withstand the extreme demands of the KR/500 s high-revving, high-output engine, this sender features a robust construction with a **zinc-plated brass body**, a hallmark of Stewart-Warner s reliability in automotive instrumentation. The unit incorporates a **high-precision internal spring mechanism** and a **sealed, corrosion-resistant sender unit**, designed to provide accurate and consistent oil pressure readings across the engine s operating range, from idle to full throttle. The sender s **threaded mounting stud** is compatible with the KR/500 s oil pan or engine block, ensuring a secure and leak-free installation, while its **original wiring harness connector** maintains compatibility with the vehicle s factory electrical system. Whether you re restoring a classic KR/500 to its original glory or maintaining a modern-day replica, this NOS oil pressure sender guarantees that your engine receives the proper lubrication monitoring it requires, preserving both performance and longevity. Its inclusion in your build or restoration project not only enhances authenticity but also ensures that your Shelby Mustang operates with the same meticulous care and attention to detail that defined its era.

### **Stewart-Warner D-353-Z NOS Oil Pressure Sender (for 68 Shelby Mustang KR/500) Pros and Cons**

1. **Original Equipment (NOS) Condition** The unit is new old stock, meaning it is unused and likely in excellent condition, avoiding the wear and potential failure risks of a used part.

2. **Direct Fitment** Designed specifically for the 68 Shelby Mustang KR/500, ensuring compatibility with the engine bay layout, wiring, and mounting points.

3. **Reliable Performance** Stewart-Warner was a trusted manufacturer of automotive sensors, and this model is known for providing accurate oil pressure readings, which are critical for engine health.

4. **Easy Installation** The sender is straightforward to replace, requiring only basic tools and minimal disassembly (typically involves removing the oil filter housing or plug).

5. **Prevents False Readings** A faulty oil pressure sender can lead to incorrect gauge readings, potentially masking low oil pressure a serious issue that could cause engine damage.

6. **Preserves Originality** If you value authenticity in a restored or high-mileage classic, NOS parts like this maintain the vehicle s original specifications.

7. **Long-Term Durability** Since it s new, it should last the life of the engine without the risk of internal corrosion or wear from prior use.

1. **Cost** NOS parts are typically more expensive than modern or aftermarket alternatives, which may be a significant investment for a classic car owner.

2. **Limited Availability** Finding NOS parts can be challenging, especially for older or less common models, which may require sourcing from specialty collectors or auctions.

3. **Potential for Counterfeit NOS** There is a risk of purchasing a "restored" or reconditioned part labeled as NOS, which may not be truly original. Always verify authenticity from a reputable seller.

4. **Modern Gauge Compatibility** If your gauge is older or not calibrated for this sender, you may need to recalibrate or replace the gauge to ensure accurate readings.

5. **Overkill for Some Owners** If the vehicle is heavily modified or used for track driving, a modern high-performance oil pressure sender might be more appropriate for extreme conditions.

6. **Wiring Concerns** Older wiring harnesses may not be ideal for modern electronics, though this sender is relatively simple and should integrate well with the stock system.

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### **Conclusion**

The **Stewart-Warner D-353-Z NOS oil pressure sender** is an excellent choice for a **1968 Shelby Mustang KR/500 owner** who prioritizes authenticity, reliability, and accurate engine monitoring. Its NOS condition ensures it will function as intended without the uncertainties of a used part, and its direct fitment makes it a hassle-free upgrade. However, the higher cost and potential sourcing challenges may deter some buyers, particularly those on a tight budget or those who prefer modern alternatives.

For a **restored or show-quality KR/500**, this sender is a worthwhile investment to maintain the vehicle s original integrity and prevent engine-related issues. For **track or heavily modified Mustangs**, a modern sender might offer better durability under extreme conditions.

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### **Recommendation**

- You value original equipment and authenticity in your Shelby Mustang.

- You want a reliable, accurate oil pressure reading without risking a faulty used part.

- You are willing to pay a premium for a high-quality, new-old-stock component.

- Your gauge is compatible or can be easily recalibrated.

- Budget is a major concern (modern aftermarket senders may be cheaper).

- You plan extensive modifications that could void the sender s long-term reliability.

- You cannot verify the part s authenticity from the seller.

**Final Verdict:** For the right buyer, this is a **strong, no-regrets purchase** that enhances both performance and collectibility. Always purchase from a trusted dealer with proper documentation to ensure you re getting a genuine NOS unit.

Details:

The condition is excellent with no issues. One New Old Stock Stewart Warner electric oil pressure gauge sender.This is the correct sender used on 68 Shelby Mustangs. The sender is in excellent condition with no issues.

part #: d353 prices

• $29.99-$250.00

specifications boosttempgauges:

• for models: Kr, 500, Shelby, Mustang
• brand: Stewart Warner
• mpn: D-353-z
• type: Oil Pressure Gauge Sender
• vintage part: Yes
• country of origin: United States

general boosttempgauges:

• Interior Parts Accessories > Gauges > Individual Gauges
• condition: Used

returns boosttempgauges:

• policy: No Returns

seller boosttempgauges:

• rating: 99.7%
• # reviews: 8111
• city: Merced, California

payments boosttempgauges:

• wallet: Paypal
• other
• credit card: Visa

offer boosttempgauges:

• sold: 0
• availability: In Stock
• best offers: True
• quantity: 1
• started: March 8, 2026
• options: Ship-to-home

shipping boosttempgauges:

• transit: 3-6 Days
• service: Standard
• type: Fixed
• class: Standard
• cost: $18.00

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