7 Best Oil Pans for Buick LaCrosse: Durable Fitment for Reliable Oil Containment

Mike
By Mike
Certified Professional Automotive Mechanic – Owner and Editor of VehicleRuns
Last Updated: April 23, 2026

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If you drive a Buick LaCrosse, the oil pan is a small part that plays a big role in engine health. Choosing the right oil pan matters because it affects leak resistance, oil capacity, and how easily you can service the engine during routine maintenance. This guide highlights the top shortlisted options for Buick LaCrosse oil pans and explains the key factors that informed our selections. You will get a clear sense of what to look for in terms of fit, material, and serviceability before diving into specific product details.

Top Picks at a Glance

Best Reviewed
A top-rated pick with lots of positive feedback
A-Premium Transmission Oil Pan with Gasket for Buick LaCrosse and Select GM CarsA-Premium Transmission Oil Pan with Gasket for Buick LaCrosse and Select GM Cars
Most Popular
A crowd favorite that many people choose with confidence
KAX Transmission Oil Pan (265-814) for 4T60-E / 4T65-E – Replacement with Drain PlugKAX Transmission Oil Pan (265-814) for 4T60-E / 4T65-E - Replacement with Drain Plug
Best Quality
Built to a higher standard if you want something more solid
YHTAUTO Engine Oil Pan with Drain Plug and Baffle for Buick LaCrosseYHTAUTO Engine Oil Pan with Drain Plug and Baffle for Buick LaCrosse
Best Budget
The cheapest option that still gets the job done reliably
PHILTOP Transmission Oil Pan with Drain Plug (265814)PHILTOP Transmission Oil Pan with Drain Plug (265814)
Most Sold
A high-volume bestseller chosen again and again
JJ Original Equipment Genuine GM Oil Pan for 2.4L Engines (GM Part 12601240)JJ Original Equipment Genuine GM Oil Pan for 2.4L Engines (GM Part 12601240)
Best Value for Money
The sweet spot between price and what you get
NewYall Engine Oil Pan for Buick LaCrosse 2.4L / 2.2LNewYall Engine Oil Pan for Buick LaCrosse 2.4L / 2.2L
A-Premium Aluminum Engine Oil Pan with Drain PlugA-Premium Aluminum Engine Oil Pan with Drain Plug

1. A-Premium Transmission Oil Pan with Gasket for Buick LaCrosse and Select GM Cars

A-Premium Transmission Oil Pan with Gasket for Buick LaCrosse and Select GM Cars
Best Reviewed
A-Premium replacement transmission oil pan with gasket designed as a vehicle-specific fit for Buick LaCrosse and compatible GM models.
Compatible with Vehicle TypeCar
Product Gradelike new
Fit TypeVehicle Specific
Material TypePlastic

This A-Premium transmission oil pan is a direct-fit replacement intended for Buick LaCrosse and several related GM vehicles; it includes a molded plastic pan and a matching gasket to restore the transmission fluid sump. Typical use is to replace a leaking, cracked, or corroded factory pan during a transmission service to stop fluid loss and restore proper fluid containment. The pan is a vehicle-specific fit which simplifies installation for a competent DIYer or a shop, and reviewers report close to factory fit and straightforward bolt patterns. Being plastic, the pan resists corrosion and is lightweight, but it is less impact-resistant than steel and may be more susceptible to damage from road debris. The package lists OEM interchange numbers so it is easy to confirm fitment for LaCrosse models. The product comes with a one-year parts guarantee that covers the cost of the item but not labor, so factor in installation when planning a replacement.

Best for: A reliability-focused buyer who prioritizes a close-fitting, corrosion-resistant replacement part to fix transmission fluid leaks on a Buick LaCrosse and prefers a straightforward swap that matches factory mounting.

Less Ideal for: Drivers who frequently encounter rough roads or off-road conditions and need a heavy-duty metal pan for added impact protection should consider more robust alternatives.

Pros:
  • Vehicle-specific fit simplifies installation for Buick LaCrosse applications
  • Plastic construction resists corrosion compared with metal pans
  • Includes gasket and references common GM part interchange numbers for easy verification
  • Backed by a one-year unlimited-mileage parts guarantee for the pan
Cons:
  • Plastic material is less impact-resistant than stamped steel and can be damaged by road debris
  • Warranty covers only the cost of the item and excludes installation or related expenses

Verdict A corrosion-resistant, vehicle-specific plastic transmission oil pan that provides a near-factory fit for Buick LaCrosse owners who want a reliable, straightforward replacement but not heavy-duty impact protection.

2. KAX Transmission Oil Pan (265-814) for 4T60-E / 4T65-E – Replacement with Drain Plug

KAX Transmission Oil Pan (265-814) for 4T60-E / 4T65-E - Replacement with Drain Plug
A direct-fit replacement transmission oil pan for select 4T60-E and 4T65-E applications that includes a drain plug and machined finish.
Fits transmissions4T60-E, 4T65-E
IncludesDrain plug (gasket not included)
ExteriorMachined
Item model number265-814

This KAX transmission oil pan is a replacement sump designed for vehicles using the 4T60-E or 4T65-E transmissions, intended to restore a leaking or damaged factory pan and add a convenient drain plug. Typical use is straightforward: remove the old pan, clean the mating surface, and install this pan with a new gasket and proper torque on the fasteners. The pan is described as machined and thicker than some aftermarket options, which should resist dents and corrosion and help prevent leaks. Including a drain plug saves time on fluid changes by avoiding repeated fluid removal through the pan bolts. The listing notes the gasket is not included so you will need to source one and follow recommended sealant or torque specs to avoid leaks. Fitment covers many GM models related to Buick LaCrosse engines using 4T60-E/4T65-E, but buyers should confirm part numbers before ordering. This is a practical, convenience-focused replacement that improves serviceability but requires standard installation care and a separate gasket purchase.

Best for: Buyers who prioritize convenience and easier maintenance and want a ready replacement that adds a drain plug to simplify transmission fluid changes.

Less Ideal for: Buyers seeking a complete kit that includes a gasket and hardware or those who prefer an OEM-branded part with manufacturer installation guidance.

Pros:
  • Direct replacement shape for 4T60-E/4T65-E applications to simplify fitment checks
  • Machined, thicker construction aims to resist dents and corrosion compared with thin stamped pans
  • Integrated drain plug speeds transmission fluid changes and reduces mess
  • Multiple customer reports of good fit and no leaks when installed properly
Cons:
  • Gasket is not included so buyer must purchase a compatible gasket or sealant separately
  • Manufacturer does not list detailed torque or installation instructions with the pan

Verdict A practical, convenience-focused replacement pan for 4T60-E/4T65-E Buick LaCrosse applications that adds a drain plug but requires buying a gasket separately.

3. YHTAUTO Engine Oil Pan with Drain Plug and Baffle for Buick LaCrosse

YHTAUTO Engine Oil Pan with Drain Plug and Baffle for Buick LaCrosse
Best Quality
A replacement aluminum engine oil pan designed to fit Buick LaCrosse model years covered by the listing and supplied with a drain plug and windage baffle plate.
Manufacturer Part Number00-YHTOP0167RN
OEM Part Number264-133, GMP58A, 12578194, 12601240, 12578193
MaterialAluminum
IncludesDrain plug and oil pan baffle plate

This YHTAUTO oil pan is a direct-fit replacement made from aluminum and intended to restore the oil containment and windage control on compatible Buick LaCrosse engines. Install typically involves removing the old pan, fitting the included drain plug and baffle plate, and sealing the flange with an appropriate gasket or RTV (gasket not included). The aluminum casting is lightweight and resists corrosion compared with steel, while the built-in baffle helps reduce oil aeration and maintain consistent oil pickup under spirited driving. Fitment reports from owners indicate bolt locations and clearances match factory parts closely, though some cast edges may require light deburring before installation. The package does not include a gasket or seal, so you must source the correct gasket and torque the bolts to factory specs to avoid leaks. For performance-minded drivers the pan offers a factory-style replacement with improved corrosion resistance and integrated windage control, but be prepared to add the correct gasket and perform careful prep during installation.

Best for: Performance-oriented buyers seeking a factory-quality replacement that restores oil control and supports spirited driving, focusing on reliability and engine protection.

Less Ideal for: Buyers who want a complete drop-in kit with gasket and hardware included or those unwilling to perform basic prep and sourcing of a seal should consider other options.

Pros:
  • Direct-fit design reported to match factory bolt locations for Buick LaCrosse
  • Includes drain plug and windage baffle plate for oil control
  • Aluminum construction provides corrosion resistance and lighter weight than steel pans
Cons:
  • Gasket or seal is not included so additional purchase is required
  • Some cast edges may be sharp and could need light finishing before installation

Verdict A factory-style aluminum oil pan with integrated baffle that suits performance-focused Buick LaCrosse owners but requires a separately purchased gasket for installation.

4. PHILTOP Transmission Oil Pan with Drain Plug (265814)

PHILTOP Transmission Oil Pan with Drain Plug (265814)
Best Budget
A direct-fit replacement transmission oil pan with drain plug designed for select GM vehicles including Buick LaCrosse.
ManufacturerPHILTOP
ModelTransmission oil pan
Item model number265814
Manufacturer Part Number6519TOP023PUS

This PHILTOP transmission oil pan replaces the factory pan on compatible GM vehicles and installs in place of the original during transmission service or repair. It comes machined and includes a drain plug to make fluid changes easier than removing the whole pan. The listing covers a long range of GM models and the pan is engineered to match factory mounting locations and sealing surfaces so it should bolt up cleanly when the fitment matches. Practical benefits include a heavy-duty construction intended to resist corrosion and heat and a precision flange that helps achieve a tight seal when used with a proper new gasket. The pan does not include a gasket or magnetic debris trap, so you will need to provide a correct transmission pan gasket and, if desired, an aftermarket magnet or pickup screen. Reviews indicate consistent fit where the part number is correct but double-check model-year compatibility for Buick LaCrosse before ordering to avoid versions with different sump depths or layouts.

Best for: Budget-conscious owners seeking a cost-effective, factory-replacement style transmission pan for routine maintenance on a Buick LaCrosse who prioritize lowering repair cost while keeping the vehicle serviceable.

Less Ideal for: Owners looking for a pan with integrated magnet or pickup modifications, or those who prefer a complete kit that includes gaskets and hardware should consider more fully featured options.

Pros:
  • Direct-fit design for compatible GM transmissions to simplify replacement
  • Included drain plug speeds fluid changes and reduces mess
  • Machined finish and heavy-duty construction resist corrosion and heat
Cons:
  • Gasket is not included so a separate gasket purchase is required
  • No factory-style magnetic debris trap included
  • Fitment varies by model year and some later vehicles use a different sump depth

Verdict A no-frills, budget-friendly transmission pan that matches factory fit where specified but requires a separate gasket and lacks a magnet for debris control.

5. JJ Original Equipment Genuine GM Oil Pan for 2.4L Engines (GM Part 12601240)

JJ Original Equipment Genuine GM Oil Pan for 2.4L Engines (GM Part 12601240)
Most Sold
A new, genuine GM replacement oil pan designed for 2.4L four-cylinder applications on compatible Buick models.
ManufacturerGeneral Motors
BrandJJ Original Equipment
Manufacturer Part Number12601240 – 1
Fits engine sizes2.2L and 2.4L (listing includes 2.4L LaCrosse)

This is a brand new, factory-quality oil pan sold under JJ Original Equipment that reproduces the GM part 12601240 casting for 2.4L engines. It installs in place of the factory pan and is used during engine repairs where the original pan is damaged, leaking, or being replaced during engine work. The listing identifies it as a genuine GM unit rather than an aftermarket reproduction, which simplifies fitment concerns for compatible Buick LaCrosse 2.4L engines. Benefits include factory casting numbers and a direct-fit design that should line up with factory bolt locations and the drain plug. Limitations are typical for replacement pans: you must ensure correct engine option and model year fitment before ordering, and additional gaskets or hardware may be required if they are not included. The pan comes from a reputable parts source so it is a conservative choice for owners who prefer factory-spec replacements when servicing the LaCrosse.

Best for: Risk-averse buyers who prioritize a factory-quality, direct-replacement part for routine engine service or leak repair on a Buick LaCrosse with the 2.4L engine.

Less Ideal for: DIYers looking for a low-cost aftermarket alternative or those needing a pan modified for performance oiling systems should consider other options.

Pros:
  • Genuine GM part number 12601240 ensures factory-spec fit for compatible 2.4L engines
  • Direct-fit replacement intended to match factory bolt locations and drain plug placement
  • Sold as a new casting so there is no used wear or prior damage
  • Listing specifies broad model coverage including Buick LaCrosse 2.4L which simplifies compatibility checks
Cons:
  • Listing does not state inclusion of gasket or mounting hardware so additional parts may be required
  • Fitment depends on exact engine option and model year so confirming VIN or engine code is necessary

Verdict Choose this genuine GM oil pan if you want a conservative, factory-quality direct replacement for a Buick LaCrosse 2.4L rather than an aftermarket alternative.

6. NewYall Engine Oil Pan for Buick LaCrosse 2.4L / 2.2L

NewYall Engine Oil Pan for Buick LaCrosse 2.4L / 2.2L
Best Value for Money
Aftermarket replacement oil pan designed for Buick LaCrosse 2.2L and 2.4L engines that aims to match factory fit at a lower cost.
BrandNewYall
Model1260l240
Compatible Engines2.2L, 2.4L
FitmentBuick LaCrosse

This NewYall oil pan is a direct replacement for Buick LaCrosse models equipped with the 2.2L or 2.4L engine and is intended to restore a sealed oil sump after a leak or damage. It installs in the same location as the original pan and is typically fitted using RTV gasket sealant rather than a cured preformed gasket. Buyers report it arrives with a drain plug and that the casting is functional though some units show light surface pitting or rough edges that can be smoothed before installation. The practical benefits are straightforward: it provides an affordable, serviceable pan that fits LaCrosse engines and can be installed by a competent DIYer or technician, saving the cost of an expensive factory unit. The main limitations are variable casting finish and the fact that sealant is usually required, so expect to supply RTV or a replacement gasket and to inspect for casting defects before final installation.

Best for: Practical optimizers looking to repair a LaCrosse affordably while balancing cost and functionality and who are comfortable sourcing sealant or performing routine installation prep.

Less Ideal for: Buyers seeking a cosmetically perfect, factory-finish part out of the box or those who prefer to avoid any additional prep work should consider a higher-end or factory-sourced replacement.

Pros:
  • Fits Buick LaCrosse 2.2L and 2.4L applications for a direct replacement
  • Includes a new oil drain plug for immediate installation
  • Affordable aftermarket option compared with factory replacement
  • Multiple buyer reports of good fit and leak-free sealing when installed correctly
Cons:
  • Casting quality can show pitting or rough edges that may require cleaning
  • Does not include pre-applied gasket material so RTV or a gasket must be provided separately

Verdict A budget-friendly, fit-focused replacement oil pan for Buick LaCrosse 2.2L/2.4L owners who are willing to prep and seal the part during installation.

7. A-Premium Aluminum Engine Oil Pan with Drain Plug

A-Premium Aluminum Engine Oil Pan with Drain Plug
Best Overall
A-Premium's aluminum replacement oil pan is a direct-fit sump for various GM L4 engines and includes a drain plug for serviceability.
ExteriorAluminum
Bolt Holes Quantity17
Engine TypeL4 2.0L/2.2L/2.4L
Drain Plug IncludedYes

This aluminum oil pan replaces the factory sump on compatible GM four-cylinder engines and is intended for direct installation where bolt patterns match. It is typically used to repair a cracked or leaking pan or to replace a corroded original part. Notable features include machined mounting surfaces where needed, a preinstalled drain plug, and a factory-style bolt hole layout that reviewers report aligns well during installation. The aluminum construction resists corrosion and helps the pan retain shape after impacts better than thin stamped steel, while the included drain plug simplifies oil changes. Important limitations are that gaskets are not included and the drain plug shipped may lack a rubber sealing washer, so you should plan to reuse the original seal or buy a replacement; some installers also noted tight dowel-pin holes that might need light fitting. For a balanced buyer looking for a reliable factory-quality replacement, this pan covers the essentials at good value, but expect minor prep work before final installation.

Best for: Balanced all-round buyers who want a durable, factory-style replacement pan that restores serviceability and solves leaks without premium performance upgrades.

Less Ideal for: People seeking a complete hardware kit or a drop-in solution with all seals included should consider options that bundle gaskets and new drain-plug seals.

Pros:
  • Aluminum construction resists corrosion and holds shape better than stamped steel
  • Preinstalled drain plug for easier oil changes
  • Machined mounting areas improve alignment with mating surfaces
  • Bolt pattern and hole count match factory locations for straightforward fitment
Cons:
  • Gasket not included, so a separate sealant or gasket is required
  • Drain plug may arrive without a rubber sealing washer
  • Dowel-pin holes reported snug and might need slight modification during install

Verdict A durable, direct-fit aluminum oil pan that reliably replaces a leaking factory pan for Buick LaCrosse owners but requires separate gasket and possibly a drain-plug seal.

Choosing the Right Buick LaCrosse Oil Pan: Key Factors to Consider

Fit and Mounting Accuracy

Correct fit is essential because the oil pan must align with the engine block, bolt holes, and any sensors or drain threads. A pan with precise mounting points reduces installation time and lowers the risk of gasket misalignment that can cause leaks.

When assessing fit, check for proper clearance around other engine components such as suspension parts and steering linkages. Even small differences in flange shape or bolt spacing can necessitate modification or cause stress on bolts, which increases the chance of leaks over time.

Material and Corrosion Resistance

Oil pans are commonly made from stamped steel, cast aluminum, or fabricated steel. Material choice affects durability, resistance to road debris, and long-term corrosion behavior. Steel pans may dent but are often easier to repair, while aluminum pans resist rust but can crack under impact.

Consider corrosion protection like coatings or anodizing, especially if you drive in areas with road salt or high humidity. A pan with good corrosion resistance helps preserve sealing surfaces and sensor threads, reducing the likelihood of slow leaks.

Drain Location and Accessibility

A conveniently located drain plug makes oil changes faster and cleaner. Drain accessibility matters for routine maintenance and whether you can use a jack or ramps without removing parts to reach the plug. Thread quality and a well-machined seat reduce the chance of stripped plugs or leaks.

Also consider whether the drain plug has an integrated washer or magnetic feature to capture metal particles. These small details improve serviceability and can give insight into overall manufacturing quality.

Gasket Interface and Sealing Surface

The mating surface between the pan and block must be flat and well-finished to ensure a reliable seal. Some pans rely on a cork or rubber gasket, while others are designed for liquid sealants. The choice influences ease of installation and future leak troubleshooting.

Inspect whether the pan flange is reinforced to prevent warping when bolts are torqued. A stable sealing surface reduces the need for re-torquing and lowers the chance of oil seepage at the edges.

Sump Shape and Oil Control

Sump capacity and internal baffling determine how well oil is controlled during acceleration, braking, and cornering. A well-shaped sump helps maintain consistent oil pickup, reducing the risk of momentary oil starvation under dynamic driving conditions.

For engines that experience spirited driving or towing, extra baffling or a deeper sump can improve oil retention. Consider how the sump shape affects ground clearance as well, since a low pan can be vulnerable to impact.

Installation Ease and Hardware Quality

A pan that includes quality hardware or clear specifications for bolt torque simplifies installation and helps ensure a proper seal. Threaded inserts, hardened drain plug threads, and reusable gaskets are features that reduce the risk of installation-related failures.

Review the required torque specifications for the bolts and whether any special tools are needed. Good documentation and consistent hole alignment shorten installation time and reduce the chance of stripped threads or uneven clamping.

FAQ

How do I know if my Buick LaCrosse oil pan is leaking?

Look for oil spots under the parked vehicle, a drop in oil level between changes, or visible oil on the bottom of the engine. Leaks often appear at the gasket flange, drain plug, or sensor threads. If you see fresh oil on the pan or on nearby components, it often indicates a current leak that should be addressed.

Can I replace the oil pan gasket without removing the pan?

In most cases you need to remove the oil pan to properly replace the gasket because the mating surfaces must be cleaned and inspected. Attempting to reseal from below without removal often results in an incomplete seal. Removing the pan also lets you check for debris and inspect the oil pickup and internal surfaces.

What torque should I use on oil pan bolts for a Buick LaCrosse?

Bolt torque varies by model year and bolt size, so reference the vehicle's service manual for the exact figure. Using the correct torque ensures an even clamp load and helps prevent flange distortion and leaks. If the manual is not available, consult a trusted repair guide or technician to avoid over- or under-tightening.

Is an aftermarket oil pan a good option for repair?

Aftermarket pans can be a good option if they offer verified fitment, solid construction, and proper sensor and drain locations. Many aftermarket units match OEM dimensions, but quality varies, so look for clear fitment data and robust materials. Consider how the aftermarket pan handles sealing surface finish and included hardware.

How much does oil pan repair typically cost to fix a leak?

Repair costs depend on the leak source and labor rates. Minor issues like replacing a drain plug washer or resealing the flange may be relatively inexpensive, while a pan replacement or repair due to impact damage can cost more. The exact cost varies, so get an estimate that includes parts, gasket or sealant, and labor.

When should I consider replacing the entire oil pan instead of repairing it?

Consider full replacement if the pan is severely corroded, cracked from impact, or has warped flange surfaces that prevent proper sealing. Replacement is also advisable if sensor threads or the drain plug are damaged beyond repair. Minor dents or small pinhole leaks may be repairable, but structural damage usually warrants a new pan.

How We Chose the Best Buick LaCrosse Oil Pan

We narrowed the field to products that meet precise fitment and durability expectations for the Buick LaCrosse. Key evaluation criteria included fit accuracy with factory mounting points, material and corrosion resistance, sump capacity and internal baffling, drain accessibility and thread quality, and compatibility with common gasket types and sensor locations. We prioritized pans that offer straightforward installation, reliable sealing surfaces, and robust construction to resist impact and warping. We excluded pans that lacked clear fitment data for the Buick LaCrosse, options with ambiguous sensor or drain locations, and units made from marginal materials that are prone to premature corrosion or deformation. The final selections emphasize correct fit, long-term sealing performance, and practical serviceability rather than cosmetic features or aftermarket extras.

Our full evaluation process is outlined in our review methodology.

Conclusion

Prioritize fitment accuracy, durable material, and a reliable sealing surface when choosing a Buick LaCrosse oil pan. Consider drain accessibility and sump design in relation to your maintenance routine and driving conditions. Balance the tradeoffs between corrosion resistance and impact durability, and follow proper torque and installation practices to reduce the chance of leaks. Choosing a pan that matches factory mounting and sensor locations will simplify installation and deliver the most dependable service life.

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Mike - Certified Professional Automotive Mechanic

About the Author: Mike

Mike is an experienced professional automotive mechanic with hands-on experience maintaining and repairing a wide range of vehicles. At VehicleRuns, he focuses on helping car owners make better decisions about parts, tools, and repairs by combining real-world experience with clear, practical guidance.