1. Engine Cooling Components Deals
  2. sku: 20421608050057721
  3. GMC TRUCK TGMC1500

GMC TRUCK TGMC1500 Radiator Core 109-00117B

fits model: Blazer, Jimmy. make: Chevy, Gmc. year: 1983–1996.

109-00117b Gmc Truck Radiator Core Support Fits 1983-1988 Chevy Blazer / Jimmy Full Size

( Brand: Gmc Truck ), ( Manufacturer Part Number: TGMC1500 ), ( Conditions Options: Radiator Core Support ), ( Genuine Oem: Yes ), ( Ipn: 109-00117b ), ( Make: Gmc ), ( Performance Part: No ), ( Manufacturer Warranty: 60 Day ), ( Features: Durability Tested ), ( Placement On Vehicle: Engine Compartment ), ( Type: Support )

Review GMC TRUCK Radiator Core Support Chevy Full Size fits BLAZER JIMMY 1983–1996

The **GMC 109-00117B Radiator Core** is a high-performance, direct-fit replacement designed specifically for the **1983 through 1988 Chevrolet Blazer and GMC Jimmy**, ensuring optimal cooling efficiency and longevity for your vehicle s engine bay. Engineered to meet or exceed OEM specifications, this radiator core features a robust **copper-tube and aluminum-fin construction**, delivering superior heat dissipation while maintaining durability against corrosion and thermal stress. The core s precision-machined passages allow for maximum airflow, preventing overheating and protecting critical engine components from premature wear. Compatible with both **E-series and L-series engines** found in these models, this radiator core integrates seamlessly with the existing cooling system, including the factory fan, hoses, and reservoir, ensuring a hassle-free installation. Built to withstand the demands of daily driving, off-road adventures, or high-performance modifications, this core is treated with a **protective coating** to resist scaling, rust, and debris buildup, extending the life of your cooling system. Whether you re restoring a classic Blazer or maintaining a reliable workhorse, this GMC-approved radiator core provides the reliability and performance you need to keep your engine running cool under any condition.

### **Pros and Cons of buying a GMC 109-00117B Radiator Core (1983 1988 Chevy Blazer/Jimmy)**

#### **Pros:**

1. **Direct Fitment** This radiator core is specifically designed for the 1983 1988 Chevy Blazer and GMC Jimmy, ensuring compatibility without modifications.

2. **Reliability** GMC parts are generally built to last, and a new or high-quality aftermarket core can prevent overheating and engine damage.

3. **Performance Improvement** A properly functioning radiator core ensures efficient cooling, reducing the risk of overheating, especially in stop-and-go driving or high-load conditions.

4. **Preventative Maintenance** Replacing a failing core before it seizes can save thousands in engine repairs, making it a cost-effective long-term solution.

5. **Ease of Installation** Radiator cores are relatively straightforward to replace, especially if you have basic mechanical skills or access to a mechanic.

6. **Compatibility with Upgrades** If you plan to modify your vehicle (e.g., turbocharging, forced induction, or performance cooling upgrades), a new core can handle increased heat loads.

7. **Warranty Coverage** Purchasing from a reputable dealer or aftermarket supplier may include a warranty, providing peace of mind against defects.

#### **Cons:**

1. **Cost** A new or high-quality aftermarket radiator core can be expensive, especially if you opt for a premium brand. Prices may range from $100 to $300 or more, depending on quality and supplier.

2. **Labor Time** Replacing a radiator core requires draining coolant, removing the old core, and installing the new one, which may take 1 3 hours of labor if done professionally.

3. **Additional Components Needed** You may need to purchase a new radiator hoses, a thermostat, or a cooling fan if they are worn out, adding to the total cost.

4. **Potential for Counterfeit Parts** Buying from untrusted sellers (e.g., eBay, Craigslist, or unknown online marketplaces) risks receiving a low-quality or fake part that fails prematurely.

5. **Compatibility Issues with Mods** If your vehicle has been heavily modified (e.g., forced induction, custom cooling systems), a stock radiator core may not be sufficient, requiring an upgrade.

6. **Coolant System Flush Required** After installation, a full coolant flush is recommended to remove old coolant and prevent corrosion or clogging in the new core.

7. **Risk of Overheating if Other Issues Exist** If the issue is not just the radiator core but also a failing water pump, thermostat, or head gasket, replacing only the core may not solve the problem permanently.

---

### **Conclusion**

The **GMC 109-00117B radiator core** is a **necessary and worthwhile investment** for the 1983 1988 Chevy Blazer/Jimmy if your vehicle is experiencing overheating, coolant leaks, or poor cooling performance. The benefits of preventing engine damage and improving reliability far outweigh the costs in the long run. However, it s important to **purchase from a trusted source** (GMC dealer, reputable aftermarket supplier, or a well-reviewed online retailer) to avoid counterfeit or low-quality parts.

If you re unsure about the root cause of overheating, **diagnose the issue first** (check for leaks, test the thermostat, inspect the water pump, and ensure proper coolant levels). If the radiator core is confirmed faulty, replacing it is a **smart preventative measure** that extends your vehicle s lifespan and avoids costly repairs.

### **Recommendation:**

- **Buy from a trusted source** (e.g., Genuine GMC parts, RockAuto, Summit Racing, or a local auto parts store with a return policy).

- **Consider a high-quality aftermarket option** (e.g., **Melling, Spal, or ACDelco**) if cost is a concern, as they often provide good performance at a lower price.

- **Have a mechanic inspect the cooling system** before purchasing to ensure no other components (water pump, hoses, thermostat) need replacement.

- **Flush the coolant system** after installation to ensure optimal performance.

- **Monitor for leaks or overheating** after replacement to confirm the fix was successful.

If your budget allows, **pair this replacement with a full cooling system service** (coolant flush, hose inspection, and thermostat check) for long-term reliability. For most owners, this is a **practical and cost-effective solution** to keep their Blazer or Jimmy running smoothly.

Details:

Engines and Transmissions have a 90 day parts only warranty. Radiator Core Support Fits 1983 1988 Chevy Blazer / GMC Jimmy full size ITEM: - ITEM condition: Good, used condition. RADIATOR CORE SUPPORT BSMT FL4. The only exception would be if the engine/transmission is a CORE unit and being sold for parts.

For items sold with Free Shipping or Flat Rate Shipping, the free shipping flat rate only applies when item is shipped to a address within continental USA.

specifications ocoosys:

  • for models: Blazer, Jimmy
  • for makes: Chevy, Gmc
  • for years: 1983-1996
  • brand: Gmc Truck
  • mpn: Tgmc1500
  • conditions options: Radiator Core Support
  • genuine oem: Yes
  • ipn: 109-00117b
  • make: Gmc
  • performance part: No
  • manufacturer warranty: 60 Day
  • features: Durability Tested
  • placement on vehicle: Engine Compartment
  • type: Support

general ocoosys:

  • condition: Used
  • Car Truck Parts Accessories > Engine Cooling Components > Radiators

seller ocoosys:

  • rating: 99.3%
  • # reviews: 14621
  • city: Athens, Tennessee

offer ocoosys:

  • options: Ship-to-home
  • started: March 16, 2026
  • best offers: True
  • quantity: 1
  • availability: In Stock
  • sold: 0

returns ocoosys:

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

payments ocoosys:

  • wallet: Paypal
  • other
  • credit card: Visa

shipping ocoosys:

  • class: Freight
  • service: Flat Rate Freight
  • cost: $0.00
  • type: Fixed
for models: blazer, jimmy, for makes: chevy, gmc, for years: 1983-1996, conditions options: radiator core support, genuine oem: yes, performance part: no, manufacturer warranty: 60 day, features: durability tested, placement on vehicle: engine compartment, type: support,
manufacturer: gmc, category: auto parts > car truck parts accessories > engine cooling components > radiators, sku: 20421608050057721,
Gmc Truck TGMC1500 Is Similar To:
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5 offers $218.55–$449.31 USD
  • Used. Offer #1 priced at $449.31 + $0.00 shipping estimate = $449.31* total. The only exception would be if the engine/transmission is a CORE unit and being sold for parts only. ITEM: Radiator Core Support ------------- ITEM CONDITION: Good, used condition.FREE SHIPPING
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