fits model: F85, Cutlass. make: Oldsmobile. year: 1970–1972.

( Brand: Dorman ), ( Manufacturer Part Number: 99KHYZS38 ), ( Type: Fuel Tank ), ( Fits 1: 1970-1972 Oldsmobile Cutlass ), ( Fits 2: 1970-1971 Oldsmobile 442 ), ( Fits 3: 1970-1972 Oldsmobile F85 ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )
The **Dorman 99KHYZS38 Fuel Tank** is a meticulously crafted, high-quality replacement part designed specifically for the legendary **1970 1972 Oldsmobile Cutlass Supreme 442 F85**, ensuring optimal performance and reliability for these iconic muscle cars. Engineered to meet or exceed original equipment manufacturer (OEM) specifications, this fuel tank is built with durable **steel construction**, providing the strength and longevity required to withstand the demands of high-performance driving. Its precise fitment ensures a seamless installation, eliminating leaks, fuel line strain, or improper sealing that can compromise both safety and efficiency. The tank s robust design accommodates the unique fuel system architecture of the Cutlass Supreme 442, including the iconic **442 V8 engine s** thirst for premium fuel, delivering a steady and uninterrupted supply to keep your muscle car roaring down the highway or dominating the drag strip.
Beyond its structural integrity, the Dorman 99KHYZS38 fuel tank is engineered with **modern fuel system compatibility** in mind, featuring reinforced seams and a secure mounting system to prevent flexing or shifting under acceleration, braking, or aggressive cornering. The tank s **clean, unobstructed fuel pickup design** minimizes sediment buildup, reducing the risk of clogged lines or erratic engine performance over time. Whether you re restoring a classic Cutlass Supreme to its original glory or maintaining a show-ready F85 with a 442 big-block, this fuel tank serves as a dependable upgrade that bridges the gap between vintage engineering and contemporary reliability. With Dorman s reputation for precision manufacturing and attention to detail, this part is an essential component for any enthusiast seeking to preserve the heritage and performance of their Oldsmobile while ensuring a smooth, trouble-free driving experience.
### **Pros and Cons of Buying a Dorman 99KHYZS38 Fuel Tank for a 1970-1972 Oldsmobile Cutlass Supreme 442/F85**
#### **Pros:**1. **Direct Fitment** The Dorman 99KHYZS38 is specifically designed as an exact replacement for the fuel tank in your 1970-1972 Oldsmobile Cutlass Supreme 442/F85, ensuring proper mounting, connections, and clearance. This eliminates the need for modifications or adapters, which can be a hassle with aftermarket alternatives.
2. **High-Quality Construction** Dorman is a well-regarded brand in the automotive aftermarket, known for durable materials and reliable performance. The tank is built to withstand the pressures of fuel system operation, reducing the risk of leaks or failure over time.
3. **Compatibility with Modern Fuel Systems** Unlike some older OEM tanks that may have issues with modern fuel formulations (e.g., ethanol blends), Dorman parts are typically designed to work with contemporary fuels, reducing the chance of compatibility problems.
4. **Ease of Installation** Since it s a direct replacement, swapping it out is straightforward for a mechanic with basic tools. The tank should align properly with the existing fuel lines, sender unit, and mounting brackets, saving time compared to custom-fit or non-OEM alternatives.
5. **Warranty Coverage** Dorman parts often come with a warranty (typically 12-24 months), providing peace of mind in case of manufacturing defects or early failure.
6. **Reliability for Classic Cars** For a high-mileage or restored vehicle, a new, uncorroded tank prevents fuel leaks, which can damage the vehicle s interior and electrical system. A fresh tank also reduces the risk of sediment or debris clogging the fuel system.
7. **Availability of Parts** Dorman is widely stocked by auto parts retailers, both online and in physical stores, making it easier to purchase than rare or discontinued OEM parts.
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#### **Cons:**1. **Cost** While not excessively expensive, a Dorman fuel tank will be more costly than some generic or no-name alternatives. For a classic car, the price may be justified by quality, but budget-conscious buyers might explore other options.
2. **Potential for Overkill** If the original tank was still functional (e.g., no leaks, no rust), replacing it with a new Dorman tank may be unnecessary unless you re restoring the vehicle or addressing a specific issue (e.g., corrosion, fuel line damage).
3. **Ethanol Compatibility Concerns** Some older fuel tanks, including OEM parts, were not designed for high-ethanol blends (e.g., E15 or E30). While Dorman tanks are generally ethanol-rated, there s a slight risk of degradation over time if the vehicle is frequently fueled with premium ethanol blends. However, this is less of an issue for occasional drivers.
4. **Weight and Handling** The Dorman tank may be slightly heavier than the original, which could have a negligible impact on the vehicle s handling or fuel economy. For most classic cars, this is insignificant, but performance enthusiasts might note it.
5. **Sender Unit Compatibility** Ensure the Dorman tank includes a compatible fuel level sender unit. If it doesn t, you may need to purchase one separately, adding to the cost.
6. **Installation Challenges** While the tank is a direct fit, rusted or damaged mounting brackets, fuel lines, or the vehicle s undercarriage could complicate installation. A thorough inspection of related components is recommended before purchase.
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### **Conclusion:**The **Dorman 99KHYZS38 fuel tank is an excellent choice** for a 1970-1972 Oldsmobile Cutlass Supreme 442/F85 if you need a reliable, direct-fit replacement. Its high quality, ease of installation, and warranty coverage make it a practical investment for restorations or repairs. However, if the original tank is still functional and you re on a tight budget, weighing the cost against the benefits is wise.
For most owners restoring or maintaining their vehicle, the **pros outweigh the cons**, especially given the potential risks of using a failing or incompatible tank. The Dorman part provides peace of mind and ensures long-term reliability.
### **Recommendation:** **Purchase the Dorman 99KHYZS38 fuel tank** if:- Your current tank is leaking, corroded, or damaged.
- You re restoring the vehicle and want a fresh, reliable component.
- You prefer a brand-name part with warranty support.
**Consider alternatives (e.g., a generic OEM replacement or a used tank in good condition)** if:- The original tank is still functional and you re working with a limited budget.
- You re comfortable with a slightly higher risk of future issues to save money upfront.
For most cases, **the Dorman tank is the best balance of quality, fitment, and longevity** for your Cutlass Supreme 442/F85. Pair it with a thorough inspection of fuel lines, brackets, and the vehicle s undercarriage to ensure a smooth installation.
Wagon, 1971 Oldsmobile 442, 1971-1972 Cutlass, F85. Wagon; With 3 Vents; Evaporate Emissions Control EEC, 1970 Oldsmobile 442, Cutlass, F85. Detailed Applications Vehicle, Fitment Notes: Excl. Vehicle, 1970-1972 Oldsmobile Cutlass Supreme.
Product Specifications length :39.25 in, Color:Gray, Sending Unit Included:No, Fuel Tank Coating:Paint, Package Contents:Fuel. Directly replaces the original fuel tank. Quality assured - this part has been validated to ensure a quality fit and long service life. Durable construction - this fuel tank is made from the same rugged materials as original part for dependable service.