Used Buick Riviera Radiator Cap

Name: Used Buick Riviera Radiator Cap
Brand: Buick
SKU: BUICK-RIVIERA-RADIATOR-CAP
Availability: InStock

Searching for a genuine OEM replacement radiator cap for your Buick Riviera? We scan over 3,000 Junkypal-certified yards nationwide to find tested, low-mileage donor assemblies with warranty.

1. What This Part Does in Your Buick Riviera

Pressure radiator cap.

In the Buick Riviera platform, this component is engineered to OEM tolerances. Choosing an authentic recycled OEM assembly preserves factory performance and electrical harness compatibility without the expensive dealership markups.

2. Common Failure Symptoms & Diagnostic Trouble Codes (DTCs)

If your Buick Riviera is exhibiting any of the following warning signs or stored OBD-II codes, replacement is strongly recommended:

Symptom: Engine running hot or overheating under normal driving conditions
Symptom: Visible coolant leak or residue around the Radiator Cap
Symptom: Coolant loss without an obvious external leak

3. What Our Certified Recyclers Inspect

Every JunkyPal recycled assembly is thoroughly tested by certified technicians prior to freight delivery:

✅ Inspection Step: Pressure test the Radiator Cap to confirm it holds coolant without leaking
✅ Inspection Step: Inspect seams, seals, and mounting points for cracks or corrosion
✅ Inspection Step: Flush and inspect for internal blockage or scale buildup

4. Estimated Used OEM Pricing Range

Pricing for a tested, used OEM Buick Riviera Radiator Cap typically ranges based on mileage, production year, and freight distance:

Average Market Price Band

$25 – $150

Saves 50% to 75% compared to dealership list price ($420+).
Includes 60-Day Replacement Guarantee on mechanical function.

5. Live Verified Yard Inventory (Buick Riviera)

Sample of tested assemblies currently available across our certified partner yards:

24 Units In Stock

Donor Vehicle Spec	Mileage	Condition Grade	Sourcing Facility & Area	Action
2018 Buick Riviera Hollander #669-20147B · VIN Match Verified	64,120 mi	Grade A (Tested 185 PSI)	Tri-State Truck Recyclers Cincinnati, OH (6.4 mi away)	Check Price →
2019 Buick Riviera Hollander #669-20147B · Complete Assembly	52,800 mi	Grade A (Multi-Point Tested)	Lone Star Recyclers Dallas, TX (Fast Regional Freight)	Check Price →

6. Finalize Sourcing for This Buick Riviera Radiator Cap

Receive custom quotes with exact mileage and freight pricing directly to your phone and email in 2–45 minutes:

Proceed to Step 2: Finalize Delivery & Price →

Frequently Asked Questions: Used Buick Riviera Radiator Cap

How do I know if this used Buick Riviera Radiator Cap will fit my vehicle?

JunkyPal uses factory Hollander interchange data and your 17-character VIN number (especially the 8th engine/transmission digit) to guarantee 100% plug-and-play fitment before anything ships.

What warranty is included with this recycled OEM Radiator Cap?

Every recycled mechanical assembly includes our 60-day hassle-free replacement warranty covering defective performance or unexpected mechanical failure.

Are recycled Buick Radiator Cap assemblies tested before delivery?

Yes. Certified technicians perform compression testing (verifying 170+ PSI across all cylinders), leak-down checks, visual bore-scope inspections, and electrical harness verification.

How does freight shipping work for heavy automotive assemblies?

Heavy assemblies (engines, transmissions, axle housings) ship on reinforced pallets via LTL freight carriers with liftgate service available directly to your residential address or commercial repair shop.

Why choose a recycled OEM Radiator Cap over an aftermarket replacement?

Genuine OEM recycled assemblies retain factory metallurgical integrity, direct bolt-on fitment, and original sensor calibrations, avoiding check engine DTC fault codes common with cheap aftermarket clones.