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- Chevrolet/GMC 6.6L Duramax (LB7) Transmission Cooler, 2001-2003
- Transmission Cooler, fits Chevrolet/GMC 6.6L Duramax (LB7) 2001-2003
- Product Attributes:
- SellingPoint04: 174-percent Greater Core Volume Than Stock Cooler
- SellingPoint05: 192-percent Greater External Fin Surface Area Over Stock Cooler
- SellingPoint06: Patent Numberd900,161
- TechSpec Overall Length (in): N/a
- SellingPoint07: Mishimoto Lifetime Warranty
- SellingPoint01: Direct-fit For All 2001-2003 Chevrolet/gmc 6.6l Duramax
- SellingPoint02: Stacked-plate Construction For Maximum Durability And Superior Cooling
- SellingPoint03: Cnc-machined Adapters Make It Easy To Connect Mishimoto Cooler To Stock Fluid Lines Or An Lines
- TechSpec Chassis Codes: Lb7
- SellingPoint08: N/a
- SellingPoint09: N/a
- TechSpec Outlet: N/a
- TechSpec Core Height (in): 5.78
- TechSpec Core Thickness (in): 1.25
- SellingPoint10: N/a
- TechSpec Note: This Kit Fits With Early 2003 Trucks With Orange Clips. Late 2003 Trucks With Purple Clips Should Use Mmtc-dmax-03
- TechSpec Installation Notes: N/a
- Prop 65 (C, R or CR): Cr
- SellingPoint15: N/a
- Install Difficulty: 2
- SellingPoint11: N/a
- SellingPoint12: N/a
- TechSpec Engine Codes: 6.6l Duramax
- SellingPoint13: N/a
- SellingPoint14: N/a
- TechSpec Core Length (in): 27.95
- TechSpec Overall Height (in): N/a
- Prop 65 - Short Label: Prop65_warning.jpg
- TechSpec Fluid Capacity (qts): N/a
- TechSpec Caution: N/a
- TechSpec Applications: N/a
- TechSpec Includes: Mishimoto Stacked Plate Transmission Cooler--cnc-machined Quick-disconnect To Hose Barb Adapters--stock-style Quick-disconnect Fittings--transmission Hoses--mounting Brackets--worm Gear Clamps--zip Tie--mounting Hardware--mishimoto Lifetime Warranty
- TechSpec Rows: 13
- TechSpec Inlet: N/a
- TechSpec Core Construction: N/a
- TechSpec Overall Width (in): N/a
-
Features:
- 192-percent greater external fin surface area over stock cooler
- Mishimoto Lifetime Warranty
- Direct-fit for all 2001-2003 Chevrolet/GMC 6.6L Duramax
- CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
- 174-percent greater core volume than stock cooler
- There's no greater enemy for a transmission than heat. Whether your 2001-2003 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag-strip, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2001-2003 Chevy/GMC 6.6L Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from It's durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 174-percent greater core volume, and 192-percent greater fin surface area than the stock 2001-2003 Duramax transmission cooler. The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry free cooling as long as you own it.
Additional Fitment Information:
| Vehicle | Region | Sub Model |
|---|---|---|
| 2003 - GMC Sierra 3500 | United States | SLT |
- Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler, 2003-2005
- Transmission Cooler, fits Chevrolet/GMC 6.6L Duramax (LB7/LLY) 2003-2005
- Product Attributes:
- SellingPoint04: 174-percent Greater Core Volume Than Stock Cooler
- SellingPoint05: 192-percent Greater External Fin Surface Area Over Stock Cooler
- SellingPoint06: Patent Numberd900,161
- TechSpec Overall Length (in): N/a
- SellingPoint07: Mishimoto Lifetime Warranty
- SellingPoint01: Direct-fit For All 2003-2005 Chevrolet/gmc 6.6l Duramax (lb7/lly)
- SellingPoint02: Stacked-plate Construction For Maximum Durability And Superior Cooling
- SellingPoint03: Cnc-machined Adapters Make It Easy To Connect Mishimoto Cooler To Stock Fluid Lines Or An Lines
- TechSpec Chassis Codes: Lb7--lly
- SellingPoint08: N/a
- SellingPoint09: N/a
- TechSpec Outlet: N/a
- TechSpec Core Height (in): 5.78
- TechSpec Core Thickness (in): 1.25
- SellingPoint10: N/a
- TechSpec Note: This Kit Fits With Late 2003 Trucks With Purple Clips. Early 2003 Trucks With Orange Clips Should Use Mmtc-dmax-01.
- TechSpec Installation Notes: N/a
- Prop 65 (C, R or CR): Cr
- SellingPoint15: N/a
- Install Difficulty: 2
- SellingPoint11: N/a
- SellingPoint12: N/a
- TechSpec Engine Codes: 6.6l Duramax
- SellingPoint13: N/a
- SellingPoint14: N/a
- TechSpec Core Length (in): 27.95
- TechSpec Overall Height (in): N/a
- Prop 65 - Short Label: Prop65_warning.jpg
- TechSpec Fluid Capacity (qts): N/a
- TechSpec Caution: N/a
- TechSpec Applications: N/a
- TechSpec Includes: Mishimoto Stacked Plate Transmission Cooler--cnc-machined Quick-disconnect To Hose Barb Adapters--stock-style Quick-disconnect Fittings--transmission Hoses--mounting Brackets--worm Gear Clamps--zip Tie--mounting Hardware--mishimoto Lifetime Warranty
- TechSpec Rows: 13
- TechSpec Inlet: N/a
- TechSpec Core Construction: N/a
- TechSpec Overall Width (in): N/a
-
Features:
- Direct-fit for all 2003-2005 Chevrolet/GMC 6.6L Duramax (LB7/LLY)
- CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
- 174-percent greater core volume than stock cooler
- 192-percent greater external fin surface area over stock cooler
- Mishimoto Lifetime Warranty
- There's no greater enemy for a transmission than heat. Whether your 2003-2005 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag-strip, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2003-2005 Chevy/GMC 6.6L Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from It's durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 174-percent greater core volume, and 192-percent greater fin surface area than the stock 2003-2005 Duramax transmission cooler. The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry free cooling as long as you own it.
Additional Fitment Information:
| Vehicle | Region |
|---|---|
| 2003 - GMC Sierra 3500 | United States |
- Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler, 2003-2005
- Transmission Cooler, fits Chevrolet/GMC 6.6L Duramax (LB7/LLY) 2003-2005
- Product Attributes:
- SellingPoint04: 174-percent Greater Core Volume Than Stock Cooler
- SellingPoint05: 192-percent Greater External Fin Surface Area Over Stock Cooler
- SellingPoint06: Patent Numberd900,161
- TechSpec Overall Length (in): N/a
- SellingPoint07: Mishimoto Lifetime Warranty
- SellingPoint01: Direct-fit For All 2003-2005 Chevrolet/gmc 6.6l Duramax (lb7/lly)
- SellingPoint02: Stacked-plate Construction For Maximum Durability And Superior Cooling
- SellingPoint03: Cnc-machined Adapters Make It Easy To Connect Mishimoto Cooler To Stock Fluid Lines Or An Lines
- TechSpec Chassis Codes: Lb7--lly
- SellingPoint08: N/a
- SellingPoint09: N/a
- TechSpec Outlet: N/a
- TechSpec Core Height (in): 5.78
- TechSpec Core Thickness (in): 1.25
- SellingPoint10: N/a
- TechSpec Note: This Kit Fits With Late 2003 Trucks With Purple Clips. Early 2003 Trucks With Orange Clips Should Use Mmtc-dmax-01.
- TechSpec Installation Notes: N/a
- SellingPoint15: N/a
- Install Difficulty: 2
- SellingPoint11: N/a
- SellingPoint12: N/a
- TechSpec Engine Codes: 6.6l Duramax
- SellingPoint13: N/a
- SellingPoint14: N/a
- TechSpec Core Length (in): 27.95
- TechSpec Overall Height (in): N/a
- TechSpec Fluid Capacity (qts): N/a
- TechSpec Caution: N/a
- TechSpec Applications: N/a
- TechSpec Includes: Mishimoto Stacked Plate Transmission Cooler--cnc-machined Quick-disconnect To Hose Barb Adapters--stock-style Quick-disconnect Fittings--transmission Hoses--mounting Brackets--worm Gear Clamps--zip Tie--mounting Hardware--mishimoto Lifetime Warranty
- TechSpec Rows: 13
- TechSpec Inlet: N/a
- TechSpec Core Construction: N/a
- TechSpec Overall Width (in): N/a
-
Features:
- Direct-fit for all 2003-2005 Chevrolet/GMC 6.6L Duramax (LB7/LLY)
- CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
- 174-percent greater core volume than stock cooler
- 192-percent greater external fin surface area over stock cooler
- Mishimoto Lifetime Warranty
- There's no greater enemy for a transmission than heat. Whether your 2003-2005 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag-strip, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2003-2005 Chevy/GMC 6.6L Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from It's durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 174-percent greater core volume, and 192-percent greater fin surface area than the stock 2003-2005 Duramax transmission cooler. The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry free cooling as long as you own it.
Additional Fitment Information:
| Vehicle | Sub Model |
|---|---|
| 2003 - GMC Sierra 3500 | SLT |
- Chevrolet/GMC 6.6L Duramax (LB7) Transmission Cooler, 2001-2003
- Transmission Cooler, fits Chevrolet/GMC 6.6L Duramax (LB7) 2001-2003
- Product Attributes:
- SellingPoint04: 174-percent Greater Core Volume Than Stock Cooler
- SellingPoint05: 192-percent Greater External Fin Surface Area Over Stock Cooler
- SellingPoint06: Patent Numberd900,161
- TechSpec Overall Length (in): N/a
- SellingPoint07: Mishimoto Lifetime Warranty
- SellingPoint01: Direct-fit For All 2001-2003 Chevrolet/gmc 6.6l Duramax
- SellingPoint02: Stacked-plate Construction For Maximum Durability And Superior Cooling
- SellingPoint03: Cnc-machined Adapters Make It Easy To Connect Mishimoto Cooler To Stock Fluid Lines Or An Lines
- TechSpec Chassis Codes: Lb7
- SellingPoint08: N/a
- SellingPoint09: N/a
- TechSpec Outlet: N/a
- TechSpec Core Height (in): 5.78
- TechSpec Core Thickness (in): 1.25
- SellingPoint10: N/a
- TechSpec Note: This Kit Fits With Early 2003 Trucks With Orange Clips. Late 2003 Trucks With Purple Clips Should Use Mmtc-dmax-03
- TechSpec Installation Notes: N/a
- SellingPoint15: N/a
- Install Difficulty: 2
- SellingPoint11: N/a
- SellingPoint12: N/a
- TechSpec Engine Codes: 6.6l Duramax
- SellingPoint13: N/a
- SellingPoint14: N/a
- TechSpec Core Length (in): 27.95
- TechSpec Overall Height (in): N/a
- TechSpec Fluid Capacity (qts): N/a
- TechSpec Caution: N/a
- TechSpec Applications: N/a
- TechSpec Includes: Mishimoto Stacked Plate Transmission Cooler--cnc-machined Quick-disconnect To Hose Barb Adapters--stock-style Quick-disconnect Fittings--transmission Hoses--mounting Brackets--worm Gear Clamps--zip Tie--mounting Hardware--mishimoto Lifetime Warranty
- TechSpec Rows: 13
- TechSpec Inlet: N/a
- TechSpec Core Construction: N/a
- TechSpec Overall Width (in): N/a
-
Features:
- 192-percent greater external fin surface area over stock cooler
- Mishimoto Lifetime Warranty
- Direct-fit for all 2001-2003 Chevrolet/GMC 6.6L Duramax
- CNC-machined adapters make it easy to connect Mishimoto cooler to stock fluid lines or AN lines
- 174-percent greater core volume than stock cooler
- There's no greater enemy for a transmission than heat. Whether your 2001-2003 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet truck, or a daily driver with a liking for the drag-strip, you need to ensure that your transmission runs cool. Luckily, Mishimoto has developed a direct-fit transmission cooler to do just that. Our 2001-2003 Chevy/GMC 6.6L Duramax transmission cooler utilizes a stacked-plate design for maximum durability and powerful cooling. Aside from It's durable construction, this transmission cooler is significantly larger than the stock core. The Mishimoto transmission cooler boasts a 174-percent greater core volume, and 192-percent greater fin surface area than the stock 2001-2003 Duramax transmission cooler. The included CNC-machined adapters connect directly to the stock transmission cooler lines for leak-free cooling. Direct-fit brackets and tailor-made hoses make installation easy. Like all Mishimoto products, this transmission cooler is backed up by our Lifetime Warranty with Accident Protection for worry free cooling as long as you own it.
Additional Fitment Information:
| Vehicle | Sub Model |
|---|---|
| 2003 - GMC Sierra 3500 | SLT |
Additional Fitment Information:
| Vehicle | Trans. Speed |
|---|---|
| 2003 - GMC Sierra 3500 | 4 |
Additional Fitment Information:
| Vehicle | Transmission | Trans. Speed |
|---|---|---|
| 2003 - GMC Sierra 3500 | Automatic | 5 |
Additional Fitment Information:
| Vehicle | Transmission | Trans. Speed |
|---|---|---|
| 2003 - GMC Sierra 3500 | Automatic | 5 |
Additional Fitment Information:
| Vehicle | Transmission | Trans. Speed |
|---|---|---|
| 2003 - GMC Sierra 3500 | Automatic | 5 |
- Transmission Oil Cooler
- Code 4639, 5464, 7192, 9344
- Product Attributes:
- Inlet Diameter: 18.375
- Package Contents: Transmission Cooler
- Core Row Quantity: 10
- Outlet Attachment Type: Hose Barb
- Item Grade:
- Regular
- Standard Replacement
- Width: 11.1
- Height: 4.6 In
- Installation Hardware Included:
- No
- Not Required
- Depth: 0.9 In
- Inlet Attachment Type: Hose Barb
- Outlet Diameter: 18.375
-
Features:
- Direct replacement - this transmission oil cooler is a precise match for the fit and function of the original equipment trans cooler
- Durable construction - this oil cooler is made of durable, corrosion-resistant aluminum for reliable, leak-free performance
- Cost-effective solution - offers original equipment quality at a competitive price
- Quality tested - this part has undergone extensive testing to ensure a quality fit and long service life
- This direct replacement transmission oil cooler matches the fit and function of the original equipment trans cooler for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.
This Part Fits the Following OEM/Substitute Numbers:
20025, 20880895, 53007, 678, FC1203T, SKTOC115
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2003 - GMC Sierra 3500 | V | 5967 | 8 Cyl 6.0L | 364 |
- Transmission Oil Cooler
- Product Attributes:
- Inlet Diameter: 18.375
- Package Contents: Transmission Cooler
- Core Row Quantity: 10
- Outlet Attachment Type: Hose Barb
- Item Grade:
- Regular
- Standard Replacement
- Width: 11.1
- Height: 4.6 In
- Installation Hardware Included:
- No
- Not Required
- Depth: 0.9 In
- Inlet Attachment Type: Hose Barb
- Outlet Diameter: 18.375
-
Features:
- Direct replacement - this transmission oil cooler is a precise match for the fit and function of the original equipment trans cooler
- Durable construction - this oil cooler is made of durable, corrosion-resistant aluminum for reliable, leak-free performance
- Cost-effective solution - offers original equipment quality at a competitive price
- Quality tested - this part has undergone extensive testing to ensure a quality fit and long service life
- This direct replacement transmission oil cooler matches the fit and function of the original equipment trans cooler for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Transmission Manuf. Code | CID |
|---|---|---|---|---|---|
| 2003 - GMC Sierra 3500 | V | - | 8 Cyl 8.1L | 4L80-E | 496 |
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