2007 GMC Sierra 1500 Transmission — Variants, Fitment & Tag Check

11 transmission variants are listed for the 2007 GMC Sierra 1500. Compare attributes, check the tag on your unit, and find the one that fits.

More than one variant is listed. Please verify the tag on your unit before ordering. A VIN shows the part your vehicle was built with, but if it has been replaced, the tag on the unit in your vehicle may be different, and the tag on your unit is what determines fitment.

What tells the variants apart

The attributes below differ between variants. Find the matching value on your unit's tag or in your vehicle's records.

Average R&R — T260044: 8.3 · T260048: 7.8 · T260057: 6.2 · T260077: 5.5 · T260084: 5.5 · T281029: 6.2 · T281034: 8.3 · T282001: 8.5 · T282001B: 8.7 · T282003: 6.4 · T282003B: 8.7
Bell Housing — T260044: 1 at 12 O'clock Position on Bell · T260048: 1 Bolt Hole at 12 O'clock Position on Bell · T260057: 1 Bolt Hole at 12 O'clock Position on Bell · T260077: 1 Bolt Hole at 12 O'clock Position on Bell · T260084: 1 Bolt Hole at 12 O'clock Position on Bell · T281029: Removable · T281034: Removable · T282001: 1 Hole at 12 O'clock · T282001B: 1 Hole at 12 O'clock · T282003: 1 Hole at 12 O'clock · T282003B: 1 Hole at 12 O'clock
Connector Type — T260044: Black with 15 Pins · T260048: Black with 15 Pins · T260057: Black with 15 Pins · T260077: Black with 13 Pins · T260084: Black with 15 Pins · T281029: Black with 15 Pins · T281034: Black with 15 Pins · T282001: not listed · T282001B: not listed · T282003: not listed · T282003B: not listed
Cooler Lines — T260044: Aluminum · T260048: Steel · T260057: Aluminum · T260077: Steel · T260084: Aluminum · T281029: Steel · T281034: Steel · T282001: not listed · T282001B: not listed · T282003: not listed · T282003B: not listed
Extended Warranty — T260044: No · T260048: No · T260057: No · T260077: No · T260084: No · T281029: No · T281034: No · T282001: Yes · T282001B: Yes · T282003: Yes · T282003B: Yes
Output Type — T260044: 4WD · T260048: 4WD · T260057: 2WD 4-1/2 Inch Splines · T260077: 2WD 4-1/2 Inch Splines · T260084: 2WD · T281029: RWD · T281034: 4WD · T282001: not listed · T282001B: not listed · T282003: not listed · T282003B: not listed
Pan Bolts — T260044: 16 · T260048: 16 · T260057: 16 · T260077: 16 · T260084: 16 · T281029: 16 · T281034: 16 · T282001: 18 · T282001B: 18 · T282003: 18 · T282003B: 18
ProductVideoURL — T260044: https://etereman.wistia.com/medias/1yp726bfjx · T260048: https://etereman.wistia.com/medias/1yp726bfjx · T260057: https://etereman.wistia.com/medias/1yp726bfjx · T260077: https://etereman.wistia.com/medias/1yp726bfjx · T260084: https://etereman.wistia.com/medias/1yp726bfjx · T281029: https://etereman.wistia.com/medias/1yp726bfjx · T281034: https://etereman.wistia.com/medias/1yp726bfjx · T282001: https://etereman.wistia.com/medias/nfarprq800 · T282001B: https://etereman.wistia.com/medias/nfarprq800 · T282003: https://etereman.wistia.com/medias/nfarprq800 · T282003B: https://etereman.wistia.com/medias/nfarprq800
Tail Housing — T260044: Without · T260048: Without · T260057: With · T260077: With · T260084: With · T281029: With · T281034: Without · T282001: Without · T282001B: Without · T282003: With · T282003B: With
Transmission Family — T260044: 4L60E · T260048: 4L60E · T260057: 4L60E · T260077: 4L60E · T260084: 4L60E · T281029: 4L65E · T281034: 4L65E · T282001: 6L80 · T282001B: 6L80 · T282003: 6L80 · T282003B: 6L80
Transmission Fluid — T260044: 11 · T260048: 11 · T260057: 11 · T260077: 11 · T260084: 11 · T281029: 11 · T281034: 11 · T282001: 10 · T282001B: 10 · T282003: 10 · T282003B: 10
Transmission Speeds — T260044: 4-Speed · T260048: 4-Speed · T260057: 4-Speed · T260077: 4-Speed · T260084: 4-Speed · T281029: 4-Speed · T281034: 4-Speed · T282001: 6-Speed · T282001B: 6-Speed · T282003: 6-Speed · T282003B: 6-Speed

Variant T260044

4L60E Automatic Transmission Assembly

Illustrative photo of T260044 — Illustrative images — not the exact unit listed

Average R&R	8.3
Bell Housing	1 at 12 O'clock Position on Bell
Bell Housing Included	Yes
Case Type	2 Piece
Connector Type	Black with 15 Pins
Converter Mount/Diameter	300 MM
Cooler Included	No
Cooler Lines	Aluminum
Cooler Replacement Required	No
Covers	Full Bottom Bell with 2 Inch Round Hole
Extended Warranty	No
Fluid Type	PZL-LVMULTI
Lockup	Yes
Output Type	4WD
Pan Bolts	16
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/1yp726bfjx
Radiator Included	No
Radiator Replacement Required	No
Shift Type	1-3/4 Inch Manual Shift Shaft Size
Tail Housing	Without
Torque Converter Included	Yes
Transmission Family	4L60E
Transmission Fluid	11
Transmission Speeds	4-Speed

Interchange numbers (vendor)

TAG ID 7KLD
TAG ID 8AFM
TAG ID 8KLD
TAG ID 8KND
TAG ID 8LND
TAG ID T260020

OEM cross-references

None listed.

Hollander numbers

400-421
400-557
400-558

Variant T260048

4L60E Automatic Transmission Assembly

Illustrative photo of T260048 — Illustrative images — not the exact unit listed

Average R&R	7.8
Bell Housing	1 Bolt Hole at 12 O'clock Position on Bell
Bell Housing Included	Yes
Case Type	2 Piece
Connector Type	Black with 15 Pins
Converter Mount/Diameter	300 MM
Cooler Included	No
Cooler Lines	Steel
Cooler Replacement Required	No
Extended Warranty	No
Fluid Type	PZL-LVMULTI
Lockup	Yes
Output Type	4WD
Pan Bolts	16
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/1yp726bfjx
Radiator Included	No
Radiator Replacement Required	No
Shift Type	1-3/4 Inch Manual Shift Shaft Size
Tail Housing	Without
Torque Converter Included	Yes
Transmission Family	4L60E
Transmission Fluid	11
Transmission Speeds	4-Speed

Interchange numbers (vendor)

TAG ID 8KAD
TAG ID 8KED

OEM cross-references

None listed.

Hollander numbers

400-419

Variant T260057

4L60E Automatic Transmission Assembly

Illustrative photo of T260057 — Illustrative images — not the exact unit listed

Average R&R	6.2
Bell Housing	1 Bolt Hole at 12 O'clock Position on Bell
Bell Housing Included	Yes
Case Type	2 Piece
Connector Type	Black with 15 Pins
Converter Mount/Diameter	300 MM
Cooler Included	No
Cooler Lines	Aluminum
Cooler Replacement Required	No
Extended Warranty	No
Fluid Type	PZL-LVMULTI
Lockup	Yes
Neutral Safety Switch	With Bosses
Output Type	2WD 4-1/2 Inch Splines
Pan Bolts	16
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/1yp726bfjx
Radiator Included	No
Radiator Replacement Required	No
Shift Type	1-3/4 Inch Manual Shift Shaft Size
Tail Housing	With
Torque Converter Included	Yes
Transmission Family	4L60E
Transmission Fluid	11
Transmission Speeds	4-Speed

Interchange numbers (vendor)

TAG ID 7CJD
TAG ID 8CJD
TAG ID 8CLD
TAG ID 8CVD
TAG ID 8LFD
TAG ID 8LJD
TAG ID T260011
TAG ID T260021
TAG ID T260065

OEM cross-references

None listed.

Hollander numbers

400-170
400-292
400-299
400-415
400-416
400-4622
400-554
400-567

Variant T260077

4L60E Automatic Transmission Assembly

Illustrative photo of T260077 — Illustrative images — not the exact unit listed

Average R&R	5.5
Bell Housing	1 Bolt Hole at 12 O'clock Position on Bell
Bell Housing Included	Yes
Case Type	2 Piece
Connector Type	Black with 13 Pins
Converter Mount/Diameter	300 MM
Cooler Included	No
Cooler Lines	Steel
Cooler Replacement Required	No
Covers	Full Bottom Bell with 2 Inch Round Hole
Extended Warranty	No
Fluid Type	PZL-LVMULTI
Lockup	Yes
Neutral Safety Switch	With Bosses
Output Type	2WD 4-1/2 Inch Splines
Pan Bolts	16
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/1yp726bfjx
Radiator Included	No
Radiator Replacement Required	No
Shift Type	1-3/4 Inch Manual Shift Shaft Size
Tail Housing	With
Torque Converter Included	Yes
Transmission Family	4L60E
Transmission Fluid	11
Transmission Speeds	4-Speed

Interchange numbers (vendor)

TAG ID 6CAD
TAG ID 7CAD
TAG ID T280873
TAG ID T280893

OEM cross-references

None listed.

Hollander numbers

400-413
400-4625

Variant T260084

4L60E Automatic Transmission Assembly

Illustrative photo of T260084 — Illustrative images — not the exact unit listed

Average R&R	5.5
Bell Housing	1 Bolt Hole at 12 O'clock Position on Bell
Bell Housing Included	Yes
Case Type	2 Piece
Connector Type	Black with 15 Pins
Converter Mount/Diameter	300 MM
Cooler Included	No
Cooler Lines	Aluminum
Cooler Replacement Required	No
Covers	Full Bottom Bell with 2 Inch Round Hole
Extended Warranty	No
Fluid Type	PZL-LVMULTI
Lockup	Yes
Neutral Safety Switch	With Bosses
Output Type	2WD
Pan Bolts	16
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/1yp726bfjx
Radiator Included	No
Radiator Replacement Required	No
Shift Type	1-3/4 Inch Manual Shift Shaft Size
Tail Housing	With
Torque Converter Included	Yes
Transmission Family	4L60E
Transmission Fluid	11
Transmission Speeds	4-Speed

Interchange numbers (vendor)

TAG ID 8CAD
TAG ID T280893
TAG ID T280894

OEM cross-references

None listed.

Hollander numbers

400-413

Variant T281029

4L65E Automatic Transmission Assembly

Illustrative photo of T281029 — Illustrative images — not the exact unit listed

Average R&R	6.2
Bell Housing	Removable
Bell Housing Included	Yes
Connector Type	Black with 15 Pins
Converter Mount/Diameter	300 MM
Cooler Included	No
Cooler Lines	Steel
Cooler Replacement Required	No
Extended Warranty	No
Fluid Type	PZL-LVMULTI
Lockup	Yes
Output Type	RWD
Pan Bolts	16
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/1yp726bfjx
Radiator Included	No
Radiator Replacement Required	No
Shift Type	1-3/4 Inch Manual Shift Shaft Size
Tail Housing	With
Torque Converter Included	Yes
Transmission Family	4L65E
Transmission Fluid	11
Transmission Speeds	4-Speed

Interchange numbers (vendor)

TAG ID 7CSD
TAG ID T281008

OEM cross-references

None listed.

Hollander numbers

400-200

Variant T281034

4L65E Automatic Transmission Assembly

Illustrative photo of T281034 — Illustrative images — not the exact unit listed

Average R&R	8.3
Bell Housing	Removable
Bell Housing Included	Yes
Connector Type	Black with 15 Pins
Converter Mount/Diameter	300 MM
Cooler Included	No
Cooler Lines	Steel
Cooler Replacement Required	No
Extended Warranty	No
Fluid Type	PZL-LVMULTI
Lockup	Yes
Output Type	4WD
Pan Bolts	16
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/1yp726bfjx
Radiator Included	No
Radiator Replacement Required	No
Shift Type	1-3/4 Inch Manual Shift Shaft Size
Tail Housing	Without
Torque Converter Included	Yes
Transmission Family	4L65E
Transmission Fluid	11
Transmission Speeds	4-Speed

Interchange numbers (vendor)

TAG ID 7KFD
TAG ID T281010

OEM cross-references

None listed.

Hollander numbers

400-298
400-556

Variant T282001

6L80 Automatic Transmission Assembly

Illustrative photo of T282001 — Illustrative images — not the exact unit listed

Average R&R	8.5
Bell Housing	1 Hole at 12 O'clock
Bell Housing Included	Yes
Cooler Included	No
Cooler Replacement Required	No
Extended Warranty	Yes
Fluid Type	PZL-LVMULTI
Lockup	Yes
Pan Bolts	18
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/nfarprq800
Radiator Included	No
Radiator Replacement Required	No
Tail Housing	Without
Torque Converter Included	Yes
Transmission Family	6L80
Transmission Fluid	10
Transmission Speeds	6-Speed
Yoke Style	No Yoke

Interchange numbers (vendor)

TAG ID 7CJA
TAG ID 7CKA

OEM cross-references

None listed.

Hollander numbers

400-295

Variant T282001B

6L80 Automatic Transmission Assembly w/ Billet Torque Converter

Illustrative photo of T282001B — Illustrative images — not the exact unit listed

Average R&R	8.7
Bell Housing	1 Hole at 12 O'clock
Bell Housing Included	Yes
Cooler Included	No
Cooler Replacement Required	No
Extended Warranty	Yes
Fluid Type	PZL-LVMULTI
Lockup	Yes
Pan Bolts	18
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/nfarprq800
Radiator Included	No
Radiator Replacement Required	No
Tail Housing	Without
Torque Converter Included	Yes
Transmission Family	6L80
Transmission Fluid	10
Transmission Speeds	6-Speed
Yoke Style	No Yoke

Interchange numbers (vendor)

TAG ID 7CJA
TAG ID 7CKA

OEM cross-references

None listed.

Hollander numbers

None listed.

Variant T282003

6L80 Automatic Transmission Assembly

Illustrative photo of T282003 — Illustrative images — not the exact unit listed

Average R&R	6.4
Bell Housing	1 Hole at 12 O'clock
Bell Housing Included	Yes
Cooler Included	No
Cooler Replacement Required	No
Extended Warranty	Yes
Fluid Type	PZL-LVMULTI
Lockup	Yes
Pan Bolts	18
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/nfarprq800
Radiator Included	No
Radiator Replacement Required	No
Tail Housing	With
Torque Converter Included	Yes
Transmission Family	6L80
Transmission Fluid	10
Transmission Speeds	6-Speed
Yoke Style	No Yoke

Interchange numbers (vendor)

TAG ID 7CAA
TAG ID 8CAA
TAG ID 9CAA
TAG ID T282010
TAG ID T282012

OEM cross-references

None listed.

Hollander numbers

400-294
400-417
400-701

Variant T282003B

6L80 Automatic Transmission Assembly w/ Billet Torque Converter

Illustrative photo of T282003B — Illustrative images — not the exact unit listed

Average R&R	8.7
Bell Housing	1 Hole at 12 O'clock
Bell Housing Included	Yes
Cooler Included	No
Cooler Replacement Required	No
Extended Warranty	Yes
Fluid Type	PZL-LVMULTI
Lockup	Yes
Pan Bolts	18
Premium Labor	Yes
ProductVideoURL	https://etereman.wistia.com/medias/nfarprq800
Radiator Included	No
Radiator Replacement Required	No
Tail Housing	With
Torque Converter Included	Yes
Transmission Family	6L80
Transmission Fluid	10
Transmission Speeds	6-Speed
Yoke Style	No Yoke

Interchange numbers (vendor)

TAG ID 7CAA
TAG ID 8CAA
TAG ID 9CAA

OEM cross-references

None listed.

Hollander numbers

None listed.

Frequently asked questions

What transmission fits a 2007 GMC Sierra 1500?

11 variants are listed: T260044, T260048, T260057, T260077, T260084, T281029, T281034, T282001, T282001B, T282003, T282003B. Which one fits depends on the tag on your unit.

How do I know which variant fits my 2007 GMC Sierra 1500?

Check the tag on your unit before ordering. Please verify the tag on your unit before ordering. A VIN shows the part your vehicle was built with, but if it has been replaced, the tag on the unit in your vehicle may be different, and the tag on your unit is what determines fitment.

What tells the transmission variants apart for a 2007 GMC Sierra 1500?

The attributes that differ between variants are: Average R&R, Bell Housing, Connector Type, Cooler Lines, Extended Warranty, Output Type, Pan Bolts, ProductVideoURL, Tail Housing, Transmission Family, Transmission Fluid, Transmission Speeds.

Fitment data from the ETE catalog, our own completed orders, and Hollander interchange data. Numbering systems are listed separately and never merged. When a record lists more than one variant, the tag on your unit is the final word on fitment.