How to remove and install the timing chain cover and oil pump assembly in 4.8L,5.3L,6.0L V8 engine on Chevrolet Express?

To have access to the timing chain cover you have to, first of all, safely unbolt and take off the pick-up tube and the screen that is located on it and is called oil pump pick-up tube mounting nuts and bolts. Subsequently, unscrew the oil pump retaining bolts, and pass the pump over the extremity of the crankshaft. For inspection, it is necessary to remove the oil pump cover and take out the rotors from the pump body: clean the parts in solvent and dry them while inspecting the damage, especially the hole on the bolt /crankshaft sprocket and splines. Any component which is scored, scratched or worn should be changed with a new oil pump assembly because no spare parts of this product where available at the time of writing this report. For installation turn the pump by hand and pour some clean motor oil into the pick-up tube hole to prime the pump. In setting the oil pump insert it over the tip of the crankshaft, line up the teeth on the crankshaft sprocket to those on the oil pump drive gear and ensure the pump fits snug on the block. Screw in the oil pump mounting bolts and then torque the bolts to the required strength. On the engine main studs, fit a new O-ring on the oil pump pick-up tube and on the pump, make sure the mounting bolts of the pick-up tube are well tightened so as to minimize air infiltration into the oiling circuit. Two, position and fit the timing chain cover; thereafter, the oil pan and other components will also require reinstallation in a reverse manner to that which they were initially removed from. Then put oil and coolants as required and start the engine to check for leaks as well as the oil pressure.

Genuine Chevrolet Express Oil Pump

Oil Fluid Pump

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

14 Oil Pumps found

View related parts
Chevrolet Express Oil Pump Assembly
Part Number: 12686433
$131.11 MSRP: $226.18
You Save: $95.07 (43%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Assembly, Oil; Dipstick, Oil Pump
- Replaces: 12661206, 12659938, 12657346, 12677143, 12665356, 12673984, 12661761
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2020 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L
View related parts
Chevrolet Express Oil Pump Assembly
Part Number: 12710303
$72.66 MSRP: $175.99
You Save: $103.33 (59%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Assembly, Oil; Oil Pump
- Replaces: 12586665, 12563964, 12563570, 12678151, 12696357
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2020 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex
View related parts
Chevrolet Express Oil Pump
Part Number: 93442037
$166.26 MSRP: $275.17
You Save: $108.91 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: PUMP, Engine Oil Pump; Oil Pump
- Replaces: 12555283
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2014 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L
View related parts
Chevrolet Express Pump Asm,Oil (W/ Screen)
Part Number: 19210599
$207.12 MSRP: $330.32
You Save: $123.20 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: PUMP, Engine Oil Pump; Oil Pump
- Replaces: 12555167, 19170290
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER | 8 Cyl 7.4L
View related parts
Chevrolet Express Oil Pump Assembly
Part Number: 12644591
$166.30 MSRP: $265.23
You Save: $98.93 (38%)
ADD TO CART
Product Specifications
- Other Name: PUMP, Engine Oil Pump; Oil Pump
- Replaces: 12632219
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Pump Assembly, Oil (W/ Screen)
Part Number: 12564768
$88.26 MSRP: $177.98
You Save: $89.72 (51%)
ADD TO CART
Product Specifications
- Other Name: PUMP, Engine Oil Pump; Oil Pump
- Replaces: 12559796
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.5L Diesel
View related parts
Chevrolet Express Pump Assembly, Oil (W/ Screen)
Part Number: 24586203
$57.20 MSRP: $94.66
You Save: $37.46 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Assembly, Oil (W/ Scrn); Oil Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 4 Cyl 2.8L Diesel
View related parts
Chevrolet Express PUMP ASM-OIL
Part Number: 12731661
$81.75 MSRP: $135.27
You Save: $53.52 (40%)
ADD TO CART
Product Specifications
- Other Name: Oil Pump
- Replaces: 12698354, 12689919
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 6 Cyl 4.3L
View related parts
Chevrolet Express Oil Pump Assembly
Part Number: 98091552
$227.87 MSRP: $360.16
You Save: $132.29 (37%)
Product Specifications
- Other Name: PUMP, Engine Oil Pump; Oil Pump
- Replaces: 98044109
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2010 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Pump Asm,Oil
Part Number: 98470107
Product Specifications
- Other Name: Oil Pump
- Replaces: 98025500, 97328876, 97188652, 98432188
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express PUMP ASM-OIL
Part Number: 12731660
$78.03 MSRP: $122.76
You Save: $44.73 (37%)
Product Specifications
- Other Name: Oil Pump
- Replaces: 12697074, 12721659, 12689918, 12698353
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 8 Cyl 6.6L
View related parts
Chevrolet Express PUMP, Engine Oil Pump
Part Number: 12554186
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.5L Diesel
View related parts
Chevrolet Express Oil Pump Assembly
Part Number: 10183985
Product Specifications
- Other Name: PUMP, Engine Oil Pump; Oil Pump
- Replaces: 88893902
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.5L Diesel
View related parts
Chevrolet Express Body Kit,Automatic Transmission Fluid Pump
Part Number: 24230108
Product Specifications
- Other Name: BODY, Transmission Oil Pump
- Replaces: 08649964, 8649964
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L, 8 Cyl 6.5L Diesel

Chevrolet Express Oil Pump

Chevrolet Express Oil Pump provides pressurized oil to key engine components to help keep friction to a minimum and temperatures in check. Inside the crankcase, the pump draws lubricant through a mesh strainer, forcing the lubricant through the filter and cooler, after which it goes to bearings, pistons and camshaft so the gauge or dash light always reflects healthy pressure. Over the years, Chevrolet vans such as the Express have made use of a variety of designs for a crank driven Oil Pump, each designed for durability but with minor variations in how they are connected to the crankshaft. Direct drive versions encircle the crank and drive from a gear attached to its nose, while gear drive and chain drive types are on the side and receive motion from external gears or a sprocket chain, and both are required to maintain tight gear clearances to prevent any loss of pressure. A crankcase mounted Oil Pump uses a driveshaft with hex ends which can round off if neglected. High performance builds may swap to a high volume Oil Pump to satisfy wider bearing gaps and higher RPM demands, but routine inspection of gears, relief valve, pickup tube and pressure switch remains the greatly simple defense against damage, and any failing Oil Pump quickly starves components in any Chevrolet Express engine.

Each OEM Chevrolet Express Oil Pump we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Express Oil Pump Parts Questions & Experts Answers

Oil Pump Assembly
12686433
Q: How to remove and install the timing chain cover and oil pump assembly in 4.8L,5.3L,6.0L V8 engine on Chevrolet Express?
A:
To have access to the timing chain cover you have to, first of all, safely unbolt and take off the pick-up tube and the screen that is located on it and is called oil pump pick-up tube mounting nuts and bolts. Subsequently, unscrew the oil pump retaining bolts, and pass the pump over the extremity of the crankshaft. For inspection, it is necessary to remove the oil pump cover and take out the rotors from the pump body: clean the parts in solvent and dry them while inspecting the damage, especially the hole on the bolt /crankshaft sprocket and splines. Any component which is scored, scratched or worn should be changed with a new oil pump assembly because no spare parts of this product where available at the time of writing this report. For installation turn the pump by hand and pour some clean motor oil into the pick-up tube hole to prime the pump. In setting the oil pump insert it over the tip of the crankshaft, line up the teeth on the crankshaft sprocket to those on the oil pump drive gear and ensure the pump fits snug on the block. Screw in the oil pump mounting bolts and then torque the bolts to the required strength. On the engine main studs, fit a new O-ring on the oil pump pick-up tube and on the pump, make sure the mounting bolts of the pick-up tube are well tightened so as to minimize air infiltration into the oiling circuit. Two, position and fit the timing chain cover; thereafter, the oil pan and other components will also require reinstallation in a reverse manner to that which they were initially removed from. Then put oil and coolants as required and start the engine to check for leaks as well as the oil pressure.