GM 85563730 Fuel Tank

( Brand: Gm ), ( Manufacturer Part Number: 85563730 ), ( Part Type: Fuel Tank ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 1 On The Diagram Is Included ), ( Replaces Part Number: 84703879, 85112833 )

Review GM Genuine Fuel Tank

The **GM 85563730 Fuel Tank** is a high-performance, durable automotive component designed specifically for General Motors vehicles, ensuring optimal fuel efficiency, reliability, and longevity under demanding driving conditions. Crafted from premium-grade **high-density polyethylene (HDPE)**, this fuel tank is engineered to withstand the rigors of daily use, including exposure to extreme temperatures, road vibrations, and potential impacts from debris or road hazards. Its robust construction minimizes the risk of leaks, cracks, or structural failure, which is critical for maintaining vehicle safety and preventing fuel spills that could pose environmental or fire hazards. The tank features a **reinforced design** with strategically placed ribs and gussets, enhancing its resistance to deformation while also optimizing fuel capacity without compromising underhood clearance or vehicle aerodynamics. Inside, the tank incorporates a **fuel level sender assembly** that provides accurate readings to the vehicle s onboard computer, ensuring precise fuel monitoring and preventing false low-fuel warnings. The **sealed top and bottom flanges** create an airtight environment, reducing fuel evaporation and maintaining consistent pressure within the system, which is essential for modern fuel-injected engines that rely on precise fuel delivery. Additionally, the tank is treated with **corrosion-resistant coatings** to protect against rust and degradation caused by moisture, road salt, or chemical exposure, making it ideal for vehicles operating in harsh climates or off-road conditions. Whether installed in a **Chevrolet, GMC, Buick, or Cadillac model**, this fuel tank is a direct-fit replacement part, ensuring seamless integration with the vehicle s existing fuel system, including the fuel lines, vapor canister, and fuel pump connections. Its compatibility extends to a range of applications, from sedans and SUVs to light-duty trucks, making it a versatile choice for both original equipment and aftermarket restoration projects. For technicians and DIY enthusiasts alike, the GM 85563730 fuel tank represents a reliable, long-lasting solution that upholds the performance standards expected from General Motors engineering, while also offering peace of mind through its durability and precision engineering.

**Pros and Cons of Buying a GM 85563730 Fuel Tank**

The GM 85563730 is a fuel tank commonly used in General Motors vehicles, particularly in older models like the Chevrolet Silverado, GMC Sierra, and some SUVs. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Compatibility and Availability**

The GM 85563730 is a widely recognized part, meaning it is easy to find in aftermarket stores, online marketplaces, and through GM dealerships. Its broad compatibility with various GM vehicles ensures it can be a straightforward replacement for those needing a fuel tank upgrade or repair.

2. **Durability and Quality**

GM fuel tanks are generally built to last, especially if the original vehicle was well-maintained. The 85563730 model is no exception, offering sturdy construction that resists leaks and corrosion when properly installed and cared for. Many users report long-term reliability if the tank is not damaged by impacts or improper handling.

3. **Standardized Fitment**

Since this is an OEM (Original Equipment Manufacturer) part, it is designed to fit seamlessly into the vehicle s frame without modifications. This reduces the risk of installation errors that could lead to fuel leaks or improper sealing.

4. **Warranty Coverage (If Purchased New)**

If buying directly from GM or an authorized dealer, the fuel tank may come with a warranty, providing peace of mind against manufacturing defects. Aftermarket versions may offer limited warranties, though these vary by seller.

5. **Fuel Efficiency Considerations**

In some cases, replacing an old or damaged fuel tank with a new one can improve fuel efficiency by ensuring proper fuel flow and preventing leaks that waste gasoline.

---

### **Cons**

1. **Cost**

The GM 85563730 is not a cheap part. Prices can range from **$200 to $500 or more**, depending on whether it is new, refurbished, or aftermarket. Labor costs for installation (if not DIY) can add significantly to the total expense, sometimes exceeding **$500 $1,000** depending on the vehicle and shop rates.

2. **Potential for Counterfeit or Low-Quality Parts**

Buying from untrusted sellers especially online risks receiving a counterfeit or substandard replacement. These may fail prematurely, leading to leaks, fuel odors, or even fire hazards. Always verify the seller s reputation and part authenticity.

3. **Installation Complexity**

Fuel tanks are heavy and often located in tight spaces, making removal and installation difficult. Unless you have mechanical experience, this job may require professional help, adding to costs. Improper installation can lead to leaks, fuel spills, or damage to surrounding components.

4. **Environmental and Safety Risks**

Fuel tanks contain gasoline, a flammable liquid. Handling, transporting, or installing one improperly poses fire or explosion risks. Proper ventilation, grounding, and safety precautions are essential. Some jurisdictions also require disposal of old fuel tanks as hazardous waste, adding to the inconvenience.

5. **Age and Wear of Related Components**

If the vehicle is older, other parts (such as fuel lines, pumps, or seals) may be worn out. Replacing just the tank without addressing these could lead to recurring issues. A full fuel system inspection is advisable before purchase.

6. **Limited Lifespan**

Even OEM fuel tanks have a finite lifespan, often **10 15 years**, depending on usage and environmental conditions. If the original tank failed due to age-related corrosion or cracking, the new one may face the same issues unless the vehicle is well-maintained.

7. **Aftermarket vs. OEM Trade-offs**

While aftermarket versions are cheaper, they may lack the same build quality, warranty, or exact fitment as OEM parts. Some aftermarket tanks may also lack proper emissions compliance in newer vehicles.

---

### **Ending Conclusion**

The GM 85563730 fuel tank is a reliable and widely compatible replacement for GM vehicles, offering durability and ease of installation when sourced from reputable sellers. However, its high cost, potential safety risks, and the need for careful handling or professional installation must be weighed against the benefits. If your vehicle s fuel tank has failed due to age, damage, or corrosion, replacing it with this part can restore functionality and prevent fuel-related issues. That said, the decision should consider whether the cost is justified by the vehicle s overall condition and remaining useful life.

---

### **Recommendation**

1. **Verify the Need**

Before purchasing, confirm that the 85563730 is the correct part for your vehicle by cross-referencing with your vehicle s VIN or service manual. Some GM models may have slight variations in fuel tank dimensions or mounting points.

2. **Choose a Trusted Source**

Buy from **authorized GM dealers, reputable aftermarket suppliers (like RockAuto, AutoZone, or local auto parts stores with good reviews), or verified online sellers**. Avoid unknown sellers offering significantly lower prices, as this could indicate counterfeit or damaged goods.

3. **Budget for Full Repair**

If the vehicle is older, consider whether replacing just the fuel tank is cost-effective. A full fuel system overhaul (including lines, pump, and seals) may be necessary to avoid future problems. If the vehicle has high mileage or other major issues, weigh whether the repair is worth the investment.

4. **DIY or Professional Installation?**

- **DIY:** If you have mechanical experience and proper safety equipment (ventilation, grounding, fuel-safe tools), you may install it yourself to save labor costs. Follow GM s service manual closely.

- **Professional:** If unsure, hire a mechanic, especially if the vehicle is under warranty or if you lack experience with fuel system work. Ensure the shop uses OEM or high-quality aftermarket parts.

5. **Safety First**

- **Drain the fuel tank** before removal to avoid spills or fires.

- **Ground yourself** to prevent static electricity buildup.

- **Work in a well-ventilated area** and avoid open flames or sparks.

- **Dispose of the old tank properly** many auto shops or recycling centers handle hazardous waste disposal.

6. **Consider Alternatives**

If the vehicle is older and the fuel tank failure is part of broader mechanical issues, evaluate whether repairing it is worth the cost. In some cases, purchasing a used replacement vehicle or a newer model with a known reliable fuel system may be more economical in the long run.

The GM 85563730 is a solid choice for GM vehicle owners needing a fuel tank replacement, provided it is purchased from a trusted source and installed correctly. However, the decision should be based on a cost-benefit analysis of the vehicle s overall condition, your mechanical ability, and long-term reliability needs. If the tank failure is isolated and the vehicle is otherwise sound, replacing it is a practical solution. Otherwise, weigh alternatives carefully.

Details:

Tank mounting. 8585 E Frank Lloyd Wright Blvd. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost. Electrical parts are not returnable under any circumstance.

Escalade ESV. Despite what the images or illustrations may show, all parts are sold individually. GM Parts America. Parts must be resalable and in the original packaging.

Despite what images and illustrations may show, all parts are sold individually. ATTENTION: The catalog displayed is a generic consumer-friendly application and does not decipher all the options your vehicle may have been built with. Scottsdale, AZ 85260. Such as trim, engine size, color, etc.

part #: 85563730 prices

• $829.46-$952.16

specifications fueltanksysteme:

• brand: Gm
• mpn: 85563730
• part type: Fuel Tank
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• parts included: Only Part Reference 1 On The Diagram Is Included
• replaces part number: 84703879, 85112833

returns fueltanksysteme:

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

offer fueltanksysteme:

• sold: 0
• options: Ship-to-home
• started: March 15, 2026
• quantity: 1
• availability: In Stock

general fueltanksysteme:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

shipping fueltanksysteme:

• transit: 3-6 Days
• class: Standard
• service: Standard
• type: Fixed
• cost: $90.84

seller fueltanksysteme:

• rating: 99.4%
• # reviews: 20629
• city: Scottsdale, Arizona

payments fueltanksysteme:

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

Gm 85563730 Is Similar To:

• 00001111000 Gm Nos Fuel Filler (30.5% similar) It uses a standard thread on cap. Suburban, Tahoe, avalanche, Yukon, Denali, and Escalade upper neck only. Research on it: cab chassis, flatbed, utility body, box van etc. New Gm no part numbers or packaging but the pack that it came in had of a shipping label on. It is 2 OD pipe, 5/8 vent pipe. ...(November 10th, 2017)
• 10021507 Gm Nos Oem Original Factory Chevy Camaro Pontiac Firebird Fuel (26% similar) Shipping quoted is for the USA. 5l 4CYL, 8l V6, and up for sale is a new, nos, factory original Gm fuel tank emissions valve f-body vehicles with the has never been used, and comes as pictured. Thanks and good luck. The nos part number is that changed to with group '3. I have 3 available. This would...(November 10th, 2018)
• 10137397 Gm Fuel Tank Strap Nuts Monte Carlo Impala Grand Prix (33% similar) The shipping calculator is not always accurate and doesn list all options. We attempt to describe each component thoroughly. Shipping may be lower than cost posted. Inc 10137397G3. Some fragile or delicate items may need special packaging to insure safe arrival. Double check, ask questions, and try ...(May 2nd, 2018)
• 10156939 Gm Oem Fuel System-shield (31.7% similar) Warranting warranty...(October 15th, 2017)
• 10313490 Gm Brand New Genuine Oem Fuel Tank Cap (55.3% similar) The Tosca family has also led nation in both ford and Lincoln mercury sales during our history. Over his many years, he has developed a business of best in class sales and service. Continental us. There is always a member of the Tosca family to meet with customer. Return procedure all of Tosca's top...(September 12th, 2018)
• 10322554 Gm New Fuel Tank Filler Pipe And Vent Corvette Xlr (31.8% similar) You cannot rely on fitment chart to be accurate. No return or exchange on MI's-ordered parts. Item: new oem Gm factory surplus fuel tank filler pipe and vent for select C5, c6 corvette Cadillac XLR. New oem surplus parts do not carry any guarantee or warranty by the original manufacturer. See ...(October 2nd, 2018)
• 10326376 Gm Oem Locking Fuel (45.6% similar) What you see in the photos is will receive make sure to check all as they are part of. I ship to shipping hub only. New in package...(October 24th, 2017)
• 10337264 Gm Chevrolet Genuine Fuel (50.8% similar) Buyer pays return shipping costs. Parts must be resalable and in the original packaging. Shipping carrier substitutions may be made at our determination in an attempt to reduce cost the customer. Electrical parts are not returnable...(November 18th, 2017)
• 10346662 Gm Oem-fuel Tank (44.4% similar) From brake pads to outside mirrors, water pumps floor mats, or control modules fuel injectors think of courtesy Chevrolet. What vehicle year, make, model, trim level and engine displacement the part being sold is manufactured to fit. Superseded part numbers this item may have been from a different ...(February 27th, 2017)
• 10372246 Gm Brand New Genuine Oem Fuel Tank Cap (55.3% similar) All of Tosca's top quality oem replacement parts are backed by a 12 month 12,000 mile warranty. Continental us. There is always a member of the Tosca family to meet with customer. The Tosca family has also led nation in both ford and Lincoln mercury sales during our history. Over his many years, he ...(June 26th, 2018)
• 10372867 Gm Oem Fuel Tank (51.9% similar) Superseded part numbers this item may have been from a different number manufacture. This part fits vehicles made in the following years 1997 , 1998 , 1999 , 20 2001 , 2002 , 2003 , 2004 , 2005 . Mini passenger van 4-DOOR, Z28 convertible 2-DOOR, coupe SS Z34 2-DOOR...(September 18th, 2017)