SKU: 41448083269

B&M Hi-Tek Deep Trans Pan for GM TH400 Transmission - 20280

$134.97 $149.97
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

B&M Hi-Tek Deep Trans Pan for GM TH400 Transmission - 20280Overview: Our Hi Tek deep transmission pans are constructed from A356 T6 aluminum and are cast with thick internal and external fins, adding additional strength and increased cooling properties. The deep pan design increases fluid capacity by 2 quarts over the stock O. E. steel pan. All these features combined help dissipate heat quicker netting lower transmission and fluid temperatures prolonging the life of your transmission, transmission fluid and

Overview:

Our Hi-Tek deep transmission pans are constructed from A356-T6 aluminum and are cast with thick internal and external fins, adding additional strength and increased cooling properties. The deep pan design increases fluid capacity by 2-quarts over the stock O.E. steel pan. All these features combined help dissipate heat quicker netting lower transmission and fluid temperatures prolonging the life of your transmission, transmission fluid and corresponding components. Other features for this popular pan include a filter extension, pan gasket and drain port with magnetic drain plug for clean and easy servicing. Also includes a 1/8 inch NPT temperature sensor port for easily adding a temp gauge for monitoring transmission temperatures while daily driving, towing or racing. Includes detailed instructions with all necessary hardware for an easy at home installation.

Features:

  • Includes Drain Port & Magnetic Drain Plug
  • Include Fluid Pickup Extension & Gasket
  • Adds Additional 2-quart Fluid Capacity
  • Includes Sensor Temperature Port
  • Over 65 Years of B&M Quality
  • Increased Cooling Properties
  • Lifetime Limited Warranty

Application:

Year Make Model Submodel Engine Size
1970 - 1981 Buick Estate Wagon
1967 Buick Gran Sport
1970 - 1972 Buick GS
1968 - 1974 Buick LeSabre Base
1970 - 1981 Buick LeSabre
1973 - 1977 Buick Regal
1965 - 1978 Buick Riviera
1969 Buick Skylark Base
1972 Buick Skylark
1965 - 1970 Buick Wildcat
1968 Buick Wildcat Base
1965 - 1976 Cadillac Calais
1965 - 1981 Cadillac DeVille
1965 - 1979 Cadillac Eldorado
1965 - 1984 Cadillac Fleetwood
1974 - 1983 Cadillac Fleetwood Base
1974 Cadillac Fleetwood 75
1974 Cadillac Fleetwood 60 Special
1965 - 1975 Chevrolet Bel Air
1965 - 1972 Chevrolet Biscayne
1980 - 1981 Cadillac Fleetwood Brougham
1980 - 1981 Cadillac Fleetwood Brougham d'Elegance
1980 - 1983 Cadillac Fleetwood Formal
1987 - 1990 Cadillac Brougham
1976 - 1978 Cadillac Seville
1969 - 1990 Chevrolet Blazer
1977 - 1986 Chevrolet K5 Blazer
1975 - 1986 Chevrolet C10
1967 - 1984 Chevrolet C10 Suburban
1990 Chevrolet C1500 Cheyenne
1990 Chevrolet C1500 Scottsdale
1990 Chevrolet C1500 Silverado
1990 Chevrolet C1500 454 SS
1990 Chevrolet C1500 WT
1988 - 1989 Chevrolet C1500
1975 - 1986 Chevrolet C20
1969 - 1972 Chevrolet Brookwood
1966 - 1974 Chevrolet C10 Pickup
1966 - 1974 Chevrolet C20 Pickup
1967 - 1986 Chevrolet C20 Suburban
1966 - 1974 Chevrolet C30 Pickup
1967 - 1986 Chevrolet K20 Suburban
1970 - 1974 Chevrolet K30 Pickup
1969 - 1972 Chevrolet Kingswood Base
1972 Chevrolet Kingswood Estate
1973 - 1974 Chevrolet Malibu Base
1970 - 1975 Chevrolet Monte Carlo
1969 - 1975 Chevrolet Nova
1973 - 1974 Chevrolet Nova Base
1965 - 1967 Chevrolet P10 Series
1965 - 1967 Chevrolet P20 Series
1965 - 1967 Chevrolet P30 Series
1966 Chevrolet Suburban
1969 - 1972 Chevrolet Townsman
1968 - 1974 GMC C15/C1500 Pickup
1968 - 1974 GMC C15/C1500 Suburban
1968 - 1974 GMC C25/C2500 Pickup
1968 - 1974 GMC C25/C2500 Suburban
1968 - 1974 GMC C35/C3500 Pickup
1973 - 1974 GMC G15/G1500 Van
1973 - 1974 GMC G25/G2500 Van
1970 - 1974 GMC G35/G3500 Van
1970 - 1990 GMC Jimmy
1967 - 1974 GMC K15/K1500 Pickup
1968 - 1974 GMC K15/K1500 Suburban
1975 - 1979 Jeep CJ5
1975 Jeep CJ6
1979 Jeep CJ7 Base
1975 - 1979 Jeep Cherokee
1975 - 1979 Jeep J10
1975 - 1979 Jeep J20
1975 - 1979 Jeep Wagoneer
1975 Buick Century Base
1975 Buick Century Custom
1975 Buick Century Luxus
1973 - 1977 Buick Century
1965 - 1981 Buick Electra
1965 - 1977 Pontiac Bonneville
1968 - 1977 Pontiac Catalina
1975 Pontiac Firebird Trans Am
1969 - 1977 Pontiac Firebird
1973 - 1975 Pontiac Grand Am
1975 Pontiac Grand LeMans
1976 - 1977 Pontiac Grand LeMans Base
1977 Pontiac Grand LeMans Safari
1965 - 1977 Pontiac Grand Prix
1975 - 1976 Pontiac Grand Safari
1971 - 1975 Pontiac Grandville
1968 - 1975 Pontiac LeMans
1969 - 1977 Pontiac LeMans Base
1973 - 1977 Pontiac LeMans Sport
1969 - 1977 Pontiac LeMans Safari
1971 - 1980 Oldsmobile Custom Cruiser
1971 - 1973 Buick Centurion
1988 - 1990 Chevrolet K2500
1977 - 1986 Chevrolet K30
1988 - 1990 Chevrolet K3500
1975 Chevrolet Laguna
1975 Chevrolet Malibu
1976 - 1980 Chevrolet P10
1975 - 1989 Chevrolet P20
1975 - 1990 Chevrolet P30
1987 Chevrolet R10
1990 Chevrolet R1500 Suburban
1987 - 1988 Chevrolet R20
1987 - 1988 Chevrolet R20 Suburban
1989 Chevrolet R2500
1989 - 1990 Chevrolet R2500 Suburban
1987 - 1988 Chevrolet R30
1989 - 1990 Chevrolet R3500
1987 Chevrolet V10
1990 Chevrolet V1500 Suburban
1987 Chevrolet V20
1987 - 1988 Chevrolet V20 Suburban
1989 - 1990 Chevrolet V2500 Suburban
1987 - 1988 Chevrolet V30
1989 - 1990 Chevrolet V3500
1975 - 1978 GMC C15
1979 - 1990 GMC C1500
1975 - 1978 GMC C15 Suburban
1979 - 1984 GMC C1500 Suburban
1975 - 1978 GMC C25
1979 - 1990 GMC C2500
1968 - 1974 GMC K25/K2500 Pickup
1978 Buick Skyhawk
1968 - 1983 Cadillac Commercial Chassis
1966 - 1973 Pontiac GTO
1973 Pontiac LeMans Luxury
1965 - 1966 Pontiac Star Chief
1967 - 1984 Chevrolet K10 Suburban
1967 - 1970 Pontiac Executive
1968 - 1969 Buick Sportwagon
1979 - 1990 GMC G1500
1975 - 1978 GMC G25
1979 - 1990 GMC G2500
1975 - 1978 GMC G35
1979 - 1990 GMC G3500
1981 - 1985 GMC G3500 Rally
1981 - 1985 GMC G3500 Rally STX
1981 - 1985 GMC G3500 Vandura
1981 - 1985 GMC G3500 Magnavan
1981 - 1985 GMC G3500 Rally Camper Special
1981 - 1985 GMC G3500 Vandura Special
1977 - 1978 GMC K15
1979 - 1990 GMC K1500
1988 - 1990 Chevrolet C2500
1975 - 1986 Chevrolet C30
1988 - 1990 Chevrolet C3500
1967 - 1975 Chevrolet Camaro
1966 - 1975 Chevrolet Caprice
1967 - 1977 Chevrolet Corvette
1965 - 1975 Chevrolet El Camino
1977 - 1990 Chevrolet G10
1975 - 1990 Chevrolet G20
1975 - 1990 Chevrolet G30
1965 - 1975 Chevrolet Impala
1977 - 1986 Chevrolet K10
1988 - 1990 Chevrolet K1500
1975 - 1986 Chevrolet K20
1966 - 1974 Chevrolet K10 Pickup
1966 - 1974 Chevrolet K20 Pickup
1968 - 1974 GMC K25/K2500 Suburban
1968 - 1974 GMC K35/K3500 Pickup
1971 - 1975 GMC Sprint
1968 - 1971 Oldsmobile 442
1966 - 1980 Oldsmobile 98
1967 Oldsmobile Cutlass Turnpike Cruiser
1968 - 1975 Oldsmobile Cutlass
1967 - 1968 Oldsmobile Delmont 88
1968 - 1980 Oldsmobile Delta 88
1965 - 1966 Oldsmobile Dynamic 88
1965 - 1972 Oldsmobile F85
1966 Oldsmobile Jetstar 88
1966 Oldsmobile Starfire
1968 - 1975 Oldsmobile Vista Cruiser
1965 - 1967 Pontiac Catalina Base
1966 Pontiac Catalina 2+2
1966 - 1967 Pontiac Catalina Safari
1967 - 1968 Pontiac Firebird Base
1967 Pontiac Firebird HO
1967 - 1968 Pontiac Firebird Sprint
1967 - 1968 Pontiac Firebird 400
1968 Pontiac Firebird 350
1968 - 1970 Pontiac Tempest Base
1968 - 1969 Pontiac Tempest Custom
1968 Pontiac Tempest Safari
1975 - 1978 GMC C25 Suburban
1979 - 1986 GMC C2500 Suburban
1975 - 1978 GMC C35
1979 - 1990 GMC C3500
1977 - 1978 GMC G15
1977 - 1978 GMC K15 Suburban
1979 - 1984 GMC K1500 Suburban
1975 - 1978 GMC K25
1979 - 1990 GMC K2500
1975 - 1978 GMC K25 Suburban
1979 - 1986 GMC K2500 Suburban
1977 - 1978 GMC K35
1979 - 1990 GMC K3500
1976 - 1978 GMC P15
1979 - 1980 GMC P1500
1975 - 1978 GMC P25
1979 - 1981 GMC P2500
1975 - 1978 GMC P35
1979 - 1981 GMC P3500
1987 GMC R1500
1990 GMC R1500 Suburban
1987 - 1989 GMC R2500
1987 - 1990 GMC R2500 Suburban
1987 - 1990 GMC R3500
1987 GMC V1500
1990 GMC V1500 Suburban
1987 GMC V2500
1987 - 1990 GMC V2500 Suburban
1987 - 1990 GMC V3500
1975 Oldsmobile Cutlass Salon
1975 Oldsmobile Cutlass Supreme
1978 Oldsmobile Toronado
1969 - 1973 Chevrolet Camaro Base
1969 - 1973 Chevrolet Camaro RS
1970 - 1971 Chevrolet Camaro Z28
1970 - 1971 Chevrolet Camaro SS
1973 Chevrolet Camaro LT
1965 - 1972 Chevrolet Chevelle Base
1965 Chevrolet Chevelle Deluxe
1966 - 1967 Chevrolet Chevelle
1966 - 1967 Chevrolet Chevy II Base
1967 Chevrolet Chevy II Nova SS
1973 - 1974 Chevrolet G10 Van
1970 Chevrolet G20 Van Base
1971 - 1974 Chevrolet G20 Van
1973 - 1974 Chevrolet G30 Van

Specs:

Additional Fluid Capacity (qts) 2
Brand B&M
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
California Proposition 65 Required Yes
Drain Plug Included Yes
Drain Plug Kit Yes
Emission Code 5
Filter Extension Included Yes
Filter Included No
Gasket Included Yes
Instructions Included Yes
Material Cast Aluminum
Mounting Hardware Yes
Product Type Automatic Transmission Oil Pan
Style Deep
Temperature Sensor Bung Yes
Transmission Type GM TH400
Warning California Proposition 65
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 41448083269

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4.4 ★★★★★
Based on 7 reviews
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Product Reviews
J
Verified Purchase
JR
Port Orchard, US
★★★★★ 5
Fantastic Product
Size: 13"-27", Style: Single, Size: 13"-27", Style: Single
The Wali Single Monitor Desk Mount works better than I expected. First, the basics. The mount comes well packed and the instructions are very simple to understand. There is so little assembly required that the instructions are almost not needed. Assembly and installation can be done in less than ten minutes (not including cable management if you choose to use that feature). Adjusting everything is easy. Overall quality of the parts and the assembled product are quite good. I have two monitors that I wanted to mount on a flat desktop. I needed to be able to get the monitors right next to each other and still have the desk flat against the wall. Most double monitor stands will not allow for this unless your monitors are the perfect size for the spread of the arms. The movable arms will usually flex toward the wall if you want the monitors to be edge-to-edge with each other. The result is the desk having to be offset from the wall to accommodate this. By using two single monitor stands, I am able to move the posts to positions that allow the arms to be extended in such a way that everything is flat with the wall. The other frequently stated issue with most monitor stands is that the arms have hydraulic pistons and/or springs to deal with the weight of the attached monitors so they are easy to move up and down. These pistons and springs are often of poor quality and either fail quickly or don't work as expected from the get-go. This is not a problem with the Wali Single Monitor Desk Mount. The arm is solidly attached to the 16" pole and only moves up and down by loosening the arm mounting and sliding the arm up or down on the pole. The arm, once set to the desired height, can be move forward, backward, side-to-side and tilt. This makes for a much sturdier setup with no pistons or springs. This system works very well, since I (and I think most people) have little need to move a monitor up or down after the initial installation. I leave the included Allen wrench stuck in one of the vertical facing screws behind a monitor so that it is always handy but out of sight. If I do need to move the monitors up or down, the tool is right there. I will buy two more of these for my wife's desk.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 3, 2024
K
Verified Purchase
Kirk Tinsley
Chelsea, US
★★★★★ 5
Rock-solid tall mount to hold a monitor above a large monitor
Size: 13"-32", Style: Single, Size: 13"-32", Style: Single
I bought the 31.5 model to mount a 27" monitor above a 32" monitor on my desk. This is the first monitor mount I have ever purchased and I am thrilled with the entire mount! The installation instructions were simple to follow. All hardware was clearly notated and packaged by part number. The mount holds the 27" monitor (which isn't all that light) perfectly above my desk monitor and is very stable. Adjustment is easy and effective and It doesn't wobble one bit. The cable routing clips work well and are literally a snap to install. I used the clamp mount but a screw-down desk mount is included.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 31, 2025
N
Verified Purchase
Nathan B.
Omaha, US
★★★★★ 5
Quality Stand
Size: 13"-27", Style: Triple
Solid, heavy duty and well made. I purchased this as I was adding a third monitor to my setup. So I had to choose between buying a 2nd mount that had one arm on it, or just replace my 2 arm setup with a single 3 arm setup. I'm glad I went this route. Very easy to assemble and it feels heavy duty. I've been using it daily for about 2 months now and it's held up perfectly. Zero issues with assembly and the instructions are well written. The mount options are solid and the metal is thick. Quality product at an amazing price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 11, 2025
T
Verified Purchase
terry
Belleville, US
★★★★★ 4
Overall, very good for the price.
Size: 13"-32", Style: Single, Size: 13"-32", Style: Single
For the price, I’m pleased with it. Overall, it’s a sturdy stand with quality machining. All the screws went in easily, poorly machined products have crooked holes or bad threads. The mount base comes with 2 types, standard mount for a desktops surface. The other one is for desktops with monitor holes/cabling drilled through them. All the parts are heavy gauge and I encountered no difficulty during assembling. There seems to be a tension screw for the tilt feature. I had to tighten the screw that holds the tilt joint together because out of the box, the monitor flopped forward hard. I had to be mindful while mounting it to the main arm so it wouldn’t slam into my glass desktop. The 2 arms that allow you to move the monitor forwards and back, left and right were a little stiff, I loosened the screw a bit on the main arm, at the pole. That seemed to be all that was required. I tried to loosen the bolt where the 2 arms meet, and it wouldn’t budge. I didn’t force the issue. The instructions were adequate for assembly without covering anything else, like adjusting the tilt bolt for the weight of the monitor. So, while I think this was a good mount for the investment, there are tradeoffs to mention. I’m accustomed to swinging my monitors upward and dusting underneath them. Height is fixed by a screw on this one. I was struggling to install the monitor cables when I realized you can tilt the bottom toward you until the top or the monitor hits the pole, or, until it’s sitting nearly flat like a table. Elevated several inches above the desktop. I consider this a Pro / Con feature. Where the arm ties into the VESA mount, the fit is a little sloppy. It’s not a safety concern but I can wiggle the monitor backwards and forwards at the outer edges “About ¾ inch “before feeling any resistance from the mount. Same goes for tilting. I don’t see this as much of an issue. Normally, I don’t foresee any outside forces acting in the monitor to create a problem. However, there’s room for improvement. The rest of the machining seemed steller. I have multiple computers in different rooms. 32” monitors are used as primary monitors with 32” to 23” as secondaries. I like mine roughly 1” above the desk. That places the top of the monitor at my eye level and the ideal viewing angle. I have fully articulated, hydraulic mounts on most of my monitors. Nice ones for large heavy monitors run $75 to $100 and up. I paid $36 for this one. The……… WALI Monitor Arm Mount for Desk, Single Extra Tall Computer Desk Mount, Monitor Bracket Mount Stand Single, up to 32 inch, 22 lbs (M001XL), Black. Amazon lumps the reviews of similar products together, so I specified which mount I purchased. I’m using this one on a glass desktop, I’m attaching it to the same point I constructed from wood for a different mount. It didn’t lower the monitor low enough either. So, the top of that mounting point is 4” lower than the surface of the glass top. Despite being that low, I didn’t actually need the 32” pole / monitor mount, the 16” model would have worked. There’s still 2” of pipe available above the arm. The 32” was on sale & I didn’t know if the 16” would suffice. The pole is a screw together 2 piece. I unscrewed / removed the other pole as it looked out of place in my dual computer setup. That leaves a hole in the top of the pipe / mount. I wish they included a cap for that. The top pipe has a cap but of a different diameter. I’d like to give it 4 ½ Stars but Amazon won’t let me. I’ve got to go with 4. Height adjustments with heavy monitors and an Allen wrench can present a challenge, it’s the nature of the beast and I won’t give it 5 stars for a few reasons. The sloppy VESA mount and loose tilt motion. No instructions that cover that, or if I was supposed to loosen the arm at the pole to improve motion. I would recommend this mount to others.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2024
J
Verified Purchase
J. Masotti
Whiting, US
★★★★★ 5
Excellent mount, especially if you want your monitor mounted higher above the desk.
Size: 13"-32", Style: Single
This is the monitor mount I should have had all along. The extra tall pole allowed me to mount my 32" monitor at the correct height (something I couldn't do with the spring-mount I previously had. It came with good directions, everything needed for install except for a Phillips head screwdriver and a 10mm wrench for one cap nut. The arm that holds the monitor is highly adjustable, and once everything is tightened down, very sturdy. I recommend this one without reservations.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026

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