Collection: 2020 Used Chevy Suburban-1500 Engines For Sale | Auto Power Source

2
verified units in stock
★★★★★
on Trustpilot
3 years
max warranty
Photos before
shipment

2020 Used Chevy Suburban-1500 Engines For Sale

Inventory-verified 2020 Chevy Suburban-1500 engines — 2 donor-pulled units on the shelf, the 5.3L (VIN C, opt L83) and the 6.2L (VIN J, opt L86). Each one is matched to your VIN, compression-tested by ASE-certified technicians, photographed before it ships, and covered by up to a 3-year warranty with 30-day money-back. Freight is free to all 50 states.

Up to 3-Year Warranty
Photos Before Shipment
Compression-Tested & Verified
Free Nationwide Shipping
30-Day Money-Back
Secure SSL Checkout

2020 Suburban-1500 Engine Options In Stock

Two 2020 Suburban-1500 engine fitments are on the shelf, split by displacement and option code. Both are VIN-matched at the order step — if the badge on your tailgate does not tell you which build you have, send the VIN and we will read it for you.

Why Buy a 2020 Chevy Suburban-1500 Engine from Auto Power Source

The 2020 Suburban-1500 engines on this page were pulled from low-mileage donor SUVs, logged against their VINs on arrival, and held in our climate-controlled warehouse until they sell. Nothing is cleared for shipment until an ASE-certified technician has compression-tested every cylinder and completed a leak-down evaluation.

The 2020 Suburban-1500 left the factory with one of two engines — the 5.3L (opt L83) or the 6.2L (opt L86) — and swapping one for the other is not a bolt-in job, so the 8th VIN digit is the only thing that settles it. Text your VIN and we will confirm the exact match before you order.

📱 Fastest way to match: text us your VIN, get options in minutes.Text Your VIN →

Your 2020 Suburban-1500 Engine Options: Compared

A failed engine leaves most 2020 Suburban-1500 owners with four realistic routes:

← Swipe sideways to see all columns →
Option Cost Reliability Warranty Fitment Match
Used OEM (this collection) $$$ Best Value High Up to 3 years VIN-matched
New OEM (dealer) $$$$$ 2-4× more High Manufacturer Exact
Aftermarket / Reman $$$$ Varies 6-12 mo May adapt
Junkyard $ Cheapest Unknown None DIY

Tested used OEM hits the sweet spot — same Chevy engineering as new, fraction of the cost.

2020 Suburban-1500 Engine Buying Guide

  1. Confirm the 8th-digit VIN code. Read the 8th digit of your VIN first: C means the 5.3L (opt L83), J means the 6.2L (opt L86). That single character drives every other decision on this page.
  2. Do not assume the larger engine. Both the 5.3L and the 6.2L were catalogued for the 2020 Suburban-1500, and trim level does not reliably predict which one you got — the VIN does.
  3. Read the option code, not just the litre figure. Displacement on its own is not an identifier for a 2020 Suburban-1500 engine — L83 and L86 are separate units with separate option codes.
  4. Confirm accessory and bracket layout. Mounts, harness routing and ancillary brackets can vary between Suburban-1500 engine codes inside the same model year — check them against the donor before you order.
  5. Always run the donor VIN if available. Ask for it on any 2020 Suburban-1500 engine we have in stock and we will send the mileage and donor history before you commit.

Our ASE-certified technicians verify every one of these points against your VIN before any engine ships.

📞 Need help choosing the right engine? Talk to our team live, 24h Mon-Sat.Call 1-877-313-8995

Frequently Asked Questions

What is the warranty on a 2020 Suburban-1500 engine?
Up to 3 years, depending on the specific unit. The exact warranty term is listed on each product page.
What does compression-tested mean?
ASE-certified technicians compression-test every cylinder and run a leak-down evaluation before the engine is cleared for sale.
How long until delivery?
Prep and ship time is 3-5 business days. Transit time is 2-3 business days via freight carrier after dispatch.
Can I see photos before I buy?
Yes. Multi-angle photos of the actual unit are sent before payment.
Do I need my VIN?
Strongly recommended. The 2020 Suburban-1500 shipped with two different engines and option codes, and the 8th VIN digit is what pins down the right one.
What if I do not approve the photos?
Every dollar back — no restocking fees, no return freight charges.
46,000+
engines + transmissions shipped
0%
fitment-related returns
All 50
states covered, free freight
Excellent
Customer Reviews
rated on Trustpilot

Our 6-Step Inspection & Shipping Process

Every 2020 Suburban-1500 engine we ship has been through these six steps:

1. VIN-Matching
We match the donor VIN to your VIN to confirm engine code, emissions calibration, and drivetrain fit.
2. Tested & Verified
ASE-certified technicians compression-test every cylinder and run a leak-down evaluation on each engine.
3. Noise & Smoke Verification
Units are run to verify normal mechanical sound and clean operation — catches wear static tests miss.
4. Visual Inspection
Every accessible component is inspected: manifolds, valve covers, accessories, brackets, sensor harnesses.
5. Photograph & Catalog
Multi-angle photos sent to you BEFORE we ship, for your approval.
6. Palletize & Ship
Strapped on a heavy-duty wooden pallet, shipped via freight at no charge.

What Our Customers Say

Rated Excellent by our customers on Trustpilot.

★★★★★
Transaction was perfect
"Found me the right engine at a great price. Got it in 2 days and installed the car the next day. Runs absolutely beautiful."
— Kevin Graham, 2026-04-29
★★★★★
Repeat customer
"AutoPowerSource is a great company. I've used them several times for used motors. Low mileage when other companies gave up."
— Curtis Haines, 2025-12-23
★★★★★
Highly recommend Mike
"Mike reached out first thing in the morning regarding my inquiry for a used engine. Very informative and helpful."
— Beatrice, 2026-03-31
★★★★★
Great experience
"Daisy kept me in the loop every step. My original engine was damaged before shipping; she found a different one quickly."
— Bryan Perkins, 2026-03-25

Our Photos-Before-Shipment Guarantee

Before any 2020 Suburban-1500 engine leaves our warehouse, we send you multi-angle photographs. You approve. If you do not approve, you get every dollar back — no questions, no restocking fees, no return freight charges. On top of 30-day money-back and up to a 3-year warranty.

✉ Email Us at info@autopowersource.com