This page lists 21 engine parts for the 2018 Chevrolet Express 3500, across 6 part types, covering all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.0L V8). Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 Chevrolet Express 3500, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. 15 parts of the 21 listed are Balance Shaft Chain (7 parts), Balance Shaft Sprocket (4 parts) and Camshaft Retainer / Thrust Plate (4 parts). The other 3 part types cover the remaining 6 parts.
The 2018 Chevrolet Express 3500 was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2018 Chevrolet Express 3500 engine parts are GM GENUINE (6 parts), S.A. GEAR (6 parts) and CLOYES (3 parts), plus 4 more brands.
2 parts on this 2018 Chevrolet Express 3500 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including CLOYES C927 (Balance Shaft Chain) and GM GENUINE 12632727 (Balance Shaft Chain). Click any part number to see every vehicle that part fits.
Balance Shaft Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Popular Fits: 4.3L V6 | C927 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Popular Fits: 4.3L V6 | 12632727 | 🇺🇸 US 🇨🇦 CA | 8 speed Automatic trans. | View on Amazon |
| MELLING Fits: 4.3L V6 | 1089 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| S.A. GEAR Fits: 4.3L V6 | C1199 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| S.A. GEAR Fits: 4.3L V6 | 76291P | 🇺🇸 US 🇨🇦 CA | Includes Balance Shaft Sprocket, Chain, Guide | View on Amazon |
| S.A. GEAR Fits: 4.3L V6 | 76291MS | 🇺🇸 US 🇨🇦 CA | Includes 2 Chains, Guide, Tensioner | View on Amazon |
| S.A. GEAR Fits: 4.3L V6 | 76291M | 🇺🇸 US 🇨🇦 CA | Includes Balance Shaft Sprocket, 2 Chains, Crank Sprocket, Guide, Tensioner | View on Amazon |
This table covers the chains that drive the balance shafts.
7 Balance Shaft Chain parts for the 2018 Chevrolet Express 3500 come from 4 brands — S.A. GEAR, CLOYES, GM GENUINE and 1 other brand. The "Popular" part is CLOYES C927.
Listed part numbers: CLOYES C927, GM GENUINE 12632727 and MELLING 1089, plus the other parts above.
Balance Shaft Chain Guide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: 4.3L V6 | 95976 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: 4.3L V6 | 12632728 | 🇺🇸 US 🇨🇦 CA | Tension Side8 speed Automatic trans. | View on Amazon |
| S.A. GEAR Fits: 4.3L V6 | 71285 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the guides that keep the balance-shaft chain on its path.
3 Balance Shaft Chain Guide parts for the 2018 Chevrolet Express 3500 come from 3 brands — CLOYES, GM GENUINE and S.A. GEAR.
Part numbers include CLOYES 95976, GM GENUINE 12632728 and S.A. GEAR 71285.
Balance Shaft Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: 4.3L V6 | S1110 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: 4.3L V6 | 12690616 | 🇺🇸 US 🇨🇦 CA | Tooth Quantity: 20 | View on Amazon |
| GM GENUINE Fits: 4.3L V6 | 12632725 | 🇺🇸 US 🇨🇦 CA | Tooth Quantity: 19 | View on Amazon |
| S.A. GEAR Fits: 4.3L V6 | S1498 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Balance Shaft sprockets.
4 Balance Shaft Sprocket parts for the 2018 Chevrolet Express 3500 come from 3 brands — GM GENUINE, CLOYES and S.A. GEAR.
Part numbers include CLOYES S1110, GM GENUINE 12690616 and GM GENUINE 12632725, among others listed above.
Camshaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINETECH Fits: 4.3L V6 | ES1435 | 🇺🇸 US 🇨🇦 CA | Non-AFM | View on Amazon |
| MELLING Fits: 4.3L V6 | MC1441 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the camshafts that open the valves.
2 Camshaft parts for the 2018 Chevrolet Express 3500 come from 2 brands — ENGINETECH and MELLING.
Listed part numbers: ENGINETECH ES1435 and MELLING MC1441.
Camshaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.3L V6 | 12686894 | 🇺🇸 US 🇨🇦 CA | COMPLETE ENGINE | View on Amazon |
This table covers the Camshaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
This group shows a single part: GM GENUINE 12686894.
Camshaft Retainer / Thrust Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 4.3L V6 | 45745 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| FEL-PRO Fits: 4.3L V6 | ES73115 | 🇺🇸 US 🇨🇦 CA | Camshaft retainer plate & mounting bolts includedComplete Set | View on Amazon |
| GM GENUINE Fits: 4.3L V6 | 12589016 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
| MELLING Fits: 4.3L V6 | MF127 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Camshaft Retainer / Thrust plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
4 Camshaft Retainer / Thrust Plate parts are listed for the 2018 Chevrolet Express 3500, from DORMAN, FEL-PRO, GM GENUINE and 1 other brand.
This group includes DORMAN 45745, FEL-PRO ES73115 and GM GENUINE 12589016 and the remaining parts above.
Buying Engine Parts for a 2018 Chevrolet Express 3500
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Match the engine first. Every engine part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Balance Shaft Chain and Balance Shaft Sprocket .
Frequently Asked Questions
How many engine parts fit the 2018 Chevrolet Express 3500?
Our catalog currently lists 21 engine parts for the 2018 Chevrolet Express 3500 across 6 subcategories and 7 brands, covering all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.0L V8). Each part is matched to the engine(s) it fits.
Do engine parts differ between 2018 Chevrolet Express 3500 engines?
Yes. Every engine part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of engine problems on a 2018 Chevrolet Express 3500?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2018 Chevrolet Express 3500 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2018 Chevrolet Express 3500?
First match the engine — each row shows which engine(s) the part fits. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2018 Chevrolet Express 3500
Engine Parts for Other Chevrolet Express 3500 Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.