Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
![M365HV High-Volume Oil Pump [Standard Pressure] Gen IV LS 5.3/6.0/6.2L](https://www.jegs.com/images/mini_750/600/689/689-m365hv.jpg)
Vehicle Info NeededMELLINGPART NUMBER: 689-M365HV
M365HV High-Volume Oil Pump [Standard Pressure] Gen IV LS 5.3/6.0/6.2L
$16199
9 left in stock
Lowest Price GuaranteeGM LS Engine Oil Pumps
GM LS Oil Pump Application Guide, Click Here
GM LS Oil Pump Application Guide, Click Here
High-Volume Oil PumpGM IV LS-Series 5.3/6.0/6.2L V8 Engines 2003-2017 +20 Percent Volume / Standard Pressure Pickup Tube Diameter: 7/8 in. (.875 in.) Includes O-Rings
The Melling M365HV is a high-quality direct replacement aluminum oil pump that delivers more volume than 689-M355 and 689-M365 stock pumps.
Note:
- Matches stock late model LS oil pumps that have an extra hole cast between the mounting bolt holes.
Keep Your Engine Well Lubricated
Built using the latest gear and gerotor technology methods, Melling Select Oil Pumps offer a significant performance upgrade from the factory original equipment replacement units. With the wide variety of specifications and optional features, you will find the correct oil pump for your performance engine build or "Select" application!
Part TypeOil Pump
Product LineMelling Select High-Performance Oil Pumps & Pickups
BrandMELLING
Package Height4.68 in.
Package Width8.25 in.
Package Length7.9
Weight2.65 PG
Part CategoryReplacement Parts
Drive Shaft IncludedNo
Housing MaterialAluminum
Mounting Hole Quantity4
Adjustable Bypass PressureNo
Bolts IncludedNo
Spacer IncludedNo
Alternate Pressure Springs IncludedNo
Anti-CavitationNo
Inlet Size (In.)0.875
O-Ring IncludedYes
Washers IncludedNo
Pickup Screen Diameter1.090 in.
Mounting Hole Diameter0.375 in.
Oil Pump Pressure TypeStandard Pressure
Bushing IncludedNo
Oil Pump TypeRotary
Cover MaterialAluminum
Shaft MaterialNot Applicable
Pickup Tube Diameter0.875 in.
FinishRust Preventative
Gasket Or Seal IncludedYes
Cotter Pin IncludedNo
Drive TypeCrankshaft
Oil Pump Volume TypeHigh Volume
Part FitmentDirect Fit
Grade TypeImproved Design
Timing Cover IncludedNo
Rotor MaterialStainless Steel
Additional Volume Over Stock Percentage20%
Vendor Part NumberM365HV
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
JEGS
Timing Cover Gasket Set for 1997-2013 GM LS Engines
Part Number : 555-210866
$4419$47.99
You Save$3.80
![Harmonic Balancer Bolt for GM LS1/LS2/LS6/L92 Engines [6-Point Hex Head]](https://www.jegs.com/images/mini_200/500/555/555-82805.jpg)
JEGS
Harmonic Balancer Bolt for GM LS1/LS2/LS6/L92 Engines [6-Point Hex Head]
Part Number : 555-82805
$2069$22.49
You Save$1.80
![Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]](https://www.jegs.com/images/mini_200/500/555/555-28035.jpg)
JEGS
Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]
Part Number : 555-28035
$799$8.99
You Save$1.00
![Drain Pan [7 Quart]](https://www.jegs.com/images/mini_200/500/555/555-w4070.jpg)
JEGS
LS Oil Pump Priming Socket for 1999-2015 GM LS Engines
Part Number : 555-23520
$6699$72.29
You Save$5.30
![Pre-Lube Engine Oiler [2-Gallon Stainless Steel Tank]](https://www.jegs.com/images/mini_200/500/555/555-23550.jpg)
![GM LS Timing Cover Bolt Kit [Black Phosphate]](https://www.jegs.com/images/mini_200/500/555/555-83352.jpg)
JEGS
Timing Cover Alignment Tool for GM LS-Based Engines
Part Number : 555-50337
$3499$38.99
You Save$4.00
JEGS
Timing Cover Alignment Tool for GM LS-Based Engines
Part Number : 555-50336
$2197$51.19
You Save$29.22
![1/2 in. Drive Torque Wrench [10 to 150 ft. lbs.]](https://www.jegs.com/images/mini_200/500/555/555-m200db.jpg)
JEGS
1/2 in. Drive Torque Wrench [10 to 150 ft. lbs.]
Part Number : 555-M200DB
$5239$56.99
You Save$4.60
![Round Magnetic Parts Tray [5 1/2 in. Round]](https://www.jegs.com/images/mini_200/500/555/555-80080.jpg)
![1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]](https://www.jegs.com/images/mini_200/500/555/555-81044k.jpg)
JEGS
1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]
Part Number : 555-81044K
$23698
![Engine Load Leveler [1,250 lb.]](https://www.jegs.com/images/mini_200/500/555/555-80048.jpg)
![Engine Sling [1000 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81378.jpg)
JEGS
Bucket Top Parts Washer Fits Most Standard 5-Gallon Plastic Buckets
Part Number : 555-81340
$5599$59.99
You Save$4.00
![Industrial Strength Cleaner and Degreaser [1 Gallon]](https://www.jegs.com/images/mini_200/500/555/555-72302.jpg)
JEGS
Industrial Strength Cleaner and Degreaser [1 Gallon]
Part Number : 555-72302
$1599$17.29
You Save$1.30
JEGS
Part Number : 555-210866
$4419$47.99
You Save$3.80
JEGS
Part Number : 555-82805
$2069$22.49
You Save$1.80
JEGS
Part Number : 555-28035
$799$8.99
You Save$1.00
Some parts are not legal for use in California or other states with similar laws / regulations
