Ford F-150 Drive Axle Shaft Replacement

Built for 4WD vehicles with the 5.4L engine.

Mileage: 98,000 miles

Mileage: 98,000 miles

Mileage: 124,000 miles

It is for 4WD vehicles with the 3.50L engine.

Mileage: 124,000 miles

This is the axle shaft assembly.

Mileage: 63,800 miles

This is the front axle shaft assembly.

Mileage: 111,600 miles

This is the front axle shaft assembly.

Mileage: 109,400 miles

This is the front axle shaft assembly.

Mileage: 119,000 miles

This is the axle shaft assembly.

Mileage: 127,600 miles

Mileage: 165,000 miles

This is the front axle shaft assembly.

Mileage: 99,500 miles

Mileage: 9,600 miles

Mileage: 176,000 miles

Mileage: 57,700 miles

For 4-wheel drive (4WD) vehicles.

Mileage: 118,500 miles

It is for vehicles with an electric shift transfer case and without a limited slip differential. It includes ABS (anti-lock braking system) components.

Mileage: 90,000 miles

Mileage: 44,000 miles

This is the axle shaft assembly.

Mileage: 16,700 miles

Mileage: 87,800 miles

For 4x4 vehicles with an electric shift transfer case. Fits vehicles without a limited slip differential. This part includes ABS (anti-lock braking system).

Mileage: 80,000 miles

Mileage: 121,000 miles

Mileage: 53,000 miles

This is a complete front axle shaft assembly with an outer CV axle. Please compare the overall length of this part to your original to ensure a proper fit.

Mileage: 85,600 miles

This axle shaft is for vehicles without underbody corrosion protection.

Mileage: 62,000 miles

This part is for vehicles with or without underbody corrosion protection.

Mileage: 31,000 miles

Mileage: 46,000 miles

This is an outer CV axle shaft.

Mileage: 91,000 miles

It is an outer CV axle shaft for vehicles without a limited slip differential.

Mileage: 48,000 miles

Mileage: 109,000 miles

This is an electric CV shift axle shaft for vehicles with a 2-speed transfer case.

Mileage: 62,000 miles

For 4x4 vehicles with the 3.5L engine. This is a CV axle drive shaft assembly. Corrosion protection is optional.

Mileage: 16,000 miles

It fits 4x4 vehicles with the 3.5L engine.

Mileage: 20,000 miles

Mileage: 56,000 miles

Mileage: 2,000 miles

For four-wheel drive (4X4) vehicles.

Mileage: 24,000 miles

This is the front axle shaft assembly.

Mileage: 74,600 miles

Mileage: 99,500 miles

For 4-door vehicles with 4-wheel drive, the 5.0L engine, and 10-speed automatic transmission.

Mileage: 72,000 miles

For 4-door vehicles with 4-wheel drive, the 5.0L engine, and automatic transmission.

Mileage: 59,400 miles

Mileage: 21,600 miles

Mileage: 115,400 miles

Mileage: 70,800 miles

It comes with a 1-year standard warranty.

Mileage: 74,200 miles

Mileage: 97,000 miles

It is a front outer CV axle assembly. For vehicles with four-wheel drive (4X4 package) and anti-lock brakes (ABS).

Mileage: 54,000 miles

It is for 4x4 vehicles equipped with an ABS system.

Mileage: 54,000 miles

Mileage: 103,800 miles

Mileage: 66,600 miles

It fits 4-wheel drive vehicles with the 5.4L engine. This part includes the jackshaft.

Mileage: 193,000 miles

This is the axle shaft assembly. It includes the jackshaft.

Mileage: 112,300 miles

This is an axle shaft assembly.

Mileage: 75,800 miles

This is the inner axle jackshaft.

Mileage: 119,000 miles

This is the stub axle located inside the tube.

Mileage: 75,000 miles

This is the stub axle located inside the tube.

Mileage: 57,000 miles

For vehicles with 4-wheel drive, the 5.4L engine, and a 4-speed automatic transmission. This part includes the inboard and outboard joints. Fits 4-door vehicles without the 3850 lb axle.

Mileage: 297,000 miles

For 4-door vehicles with 4-wheel drive, the 5.4L engine, and a 4-speed automatic transmission. Includes both the inboard and outboard joints. Fits vehicles with a gross vehicle weight (GVW) up to 8,500 lbs. This is an outer CV axle and is for vehicles without the 3,850 lb axle.

Mileage: 297,000 miles

Mileage: 115,400 miles

Mileage: 44,000 miles

Mileage: 95,400 miles

For vehicles with automatic hubs and the snow plow prep package.

Mileage: 111,400 miles

Mileage: 121,000 miles

Mileage: 138,000 miles

It fits four-wheel drive (4X4) vehicles with a 3.5L engine and automatic transmission.

Mileage: 10,000 miles

This is an inner axle shaft.

Mileage: 111,400 miles

Mileage: 116,000 miles

with 8.80in Diameter Ring Gear with Axle Stamped 804S,806D,808D,810S,812D,814P,836A,838A,844A

33.50in Length with 34 Splines with Ford 9.75 Axle

31.81in Length with 34 Splines with Ford 9.75 Axle

For Ford 8.8" (10 Bolt); 33.375" Overall Length; 5 x 135mm Lug Pattern; 31 Spline; 1.618" Bearing Surface; Uses 6408 Bearing; 12 and 14mm Stud

Mileage: 191,000 miles

12 mm Stud 8.8 In. Ring Gear Does Include Bearing, Seal, or Hardware Exc. Locking Differential Tag No. 824A, 826A, 828A, 852A, 852B, 854A, 854B, 862A, 862B, or 862C

9.75 In. Ring Gear Does Include Bearing, Seal, or Hardware Locking Differential Tag No. 909A, 909A1, 909B, 909C, 913A, 913B, 919A, 919D, 923A, or 923D

with 8.80in Diameter Ring Gear with Axle Stamped 804S,806D,808D,810S,812D,814P,836A,838A,844A

31 Spline Does Include Bearing, Seal, or Hardware

14 mm Stud 8.8 In. Ring Gear Exc. Locking Differential Tag No. V824A, V824B, V824C, V824D, 824B, 824D, V826A, V826B, V826C, V826D, 826B, 826D, V828A, V828B, V828C, or 828B

with 8.80in Diameter Ring Gear with Axle Stamped WDR-A/B/C/C1/D/D1/F/G,800A,804P,806A,808A,810P

with 8.80in Diameter Ring Gear with Axle Stamped WDR-A/B/C/C1/D/D1/F/G,800A,804P,806A,808A,810P

For Ford 8.8" (10 Bolt); 31.75" Overall Length; 5 x 135mm Lug Pattern; 31 Spline; 1.618" Bearing Surface; Uses 6408 Bearing; 12 and 14mm Studs

with Axle Stamped 824A,826A,828A,852A,852B,854A,854B,862A,862B,862C with Ford 8.8 Axle

with Axle Stamped 824A,826A,828A,852A,852B,854A,854B,862A,862B,862C with Ford 8.8 Axle

For Ford 8.8" (10 Bolt); 33.1875" Overall Length; 5 x 5.5 Lug Pattern; 31 Spline

14 mm Stud 8.8 In. Ring Gear Locking Differential Tag No. V829A, 829B, 829D, 829F, 869D, 869F, 871D, or 871F

For Ford 9.75" (12 Bolt); 33.375" Overall Length; 5 x 135mm Lug Pattern; 34 Spline; 1.705" Bearing Surface; Uses R1561TV Bearing; 12/14mm Studs

12 mm Stud 8.8 In. Ring Gear Does Include Bearing, Seal, or Hardware Exc. Locking Differential Tag No. 824A, 826A, 828A, 852A, 852B, 854A, 854B, 862A, 862B, or 862C

For Ford 9.75" (12 Bolt); 33.375" Overall Length; 5 x 135mm Lug Pattern; 34 Spline; 1.618" Bearing Surface; Uses 6408 Bearing; 12/14mm Studs

For Ford 8.8" (10 Bolt); 31.0625" Overall Length; 5 x 5.5 Lug Pattern; 31 Spline

with Part-Time Tansfer Case

For Ford 8.8" (10 Bolt); 31.0625" Overall Length; 5 x 5.5 Lug Pattern; 31 Spline

31 Spline Does Include Bearing, Seal, or Hardware

For Ford 9.75" (12 Bolt); 31.75" Overall Length; 5 x 135mm Lug Pattern; 34 Spline; 1.618" Bearing Surface; Uses 6408 Bearing; 12/14mm Studs

For Ford 9.75" (12 Bolt); 35.27" Overall Length; 6 x 135 Lug Pattern; 34 Spline; Up To 8/18/08

For Ford 9.75" (12 Bolt); 31.75" Overall Length; 5 x 135mm Lug Pattern; 34 Spline; 1.705" Bearing Surface; Uses R1561TV Bearing; 12/14mm Studs

For Ford 8.8" (10 Bolt); 35.27" Overall Length; 6 x 135 Lug Pattern; 31 Spline

5 Bolt Pattern 15.4 mm 9.75 In. Ring Gear Semi-Floating Axle Tag No. V916A, V916B, V916C, 916B, 916C, 918E, 918F, or 919F

For Ford 8.8" (10 Bolt); 33.219" Overall Length; 5 x 5.5 Lug Pattern; 31 Spline

For Ford 9.75" (12 Bolt); 33.61" Overall Length; 6 x 135 Lug Pattern; 34 Spline; Up To 8/18/08

9.75 In. Ring Gear Does Include Bearing, Seal, or Hardware Locking Differential Tag No. 909A, 909A1, 909B, 909C, 913A, 913B, 919A, 919D, 923A, or 923D

For Ford 8.8"; 33.75" Overall Length; 6 x 135 Lug Pattern; 31 Spline

9.75 In. Ring Gear Does Include Bearing, Seal, or Hardware Tag No. 903A, 933P, 941A, 942A, V900A, V900B, V903A, V905A, V905B, V941A, V941B, V942A, V942B, or V942C

with 33.61in Shaft Length with 34 Splines with Ford 9.75 Axle

8.8 In. Ring Gear Does Include Bearing, Seal, or Hardware

Dana 44 IFS; 30 Spline; 23.65 in. Inner Length; Replacement Dana 44; IFS; 30 Spline; 23.65 in. Inner Length; Replacement

Ring Gear 8.80", 12mm Stud, For Axle Stamped 824A, 826A, 828A, 852A, 852B, 854A, 854B, 862A, 862B, 862C

9.75 In. Ring Gear Does Include Bearing, Seal, or Hardware Tag No. 903A, 933P, 941A, 942A, V900A, V900B, V903A, V905A, V905B, V941A, V941B, V942A, V942B, or V942C

For Ford 8.8"; 31 Spline; 33.75" Overall Length; 6 Lug

5 Bolt Pattern 15.4 mm 9.75 In. Ring Gear Semi-Floating Axle Tag No. V916A, V916B, V916C, 916B, 916C, 918E, 918F, or 919F

Ring Gear 9.75", For Axle Stamped 909A, 909B, 909C, 913A, 913B, 919A, 919D, 923A, 923D

Ring Gear 9.75", For Axle Stamped 909A, 909B, 909C, 913A, 913B, 919A, 919D, 923A, 923D

Dana 44 Reverse; 30 Spline; 15.7 in. Length Dana 44; IFS; 30 Spline; 15.7 in. Length

Ring Gear 9.75", For Axle Stamped 903A, 905A, 905B, 933P, 941A, 941B

Dana 44 Reverse; 31 Spline; 24.77 in. Length Dana 44; IFS; 31 Spline; 24.77 in. Length

8.8 In. Ring Gear Does Include Bearing, Seal, or Hardware

Dana 44 Reverse; 30 Spline; 24.77 in. Length Dana 44; IFS; 30 Spline; 24.77 in. Length

9.75 In. Ring Gear Does Include Bearing, Seal, or Hardware

with 33.91in Shaft Length with Dana 44 Axle

with Base Payload Package; 9.75 In. Ring Gear Does Include Bearing, Seal, or Hardware

For Ford 8.8"; 31 Spline; 34.72" Overall Length; 6 Lug

Ring Gear 9.75", For Axle Stamped 919A, 919B, 919E, 919F, 923E, 923F, 923A

8.8 in. Axle; 31 Spline; 31 7/8 in. Length Ford 8.8 in.; 31 Spline; 31 7/8 in. Length

w/ Ring Gear 8.80"

8.8 in. 10 Bolt; 31 Spline; 33 1/2 in. Length Ford 8.8 in.; 31 Spline; 33 1/2 in. Length

For Ford 9.75"; 34 Spline; 35.37" Overall Length; 6 Lug

8.8 In. Ring Gear Does Include Bearing, Seal, or Hardware

Ring Gear 8.80", 14mm Stud, For Axle Stamped 824A, 824B, 824C, 824D, 824B, 824D, 826A, 826B, 826C, 826D, 828A, 828B, 828C, 828D, 852D, 852F, 854D, 854F, 862D, 862F

Ring Gear 8.80", For Axle Stamped 804S, 806D, 808D, 810S, 812D, 814P, 836A, 838A, 844A

For Ford 9.75"; 35 Spline; With E-Locker; Heavy Duty Payload Package (627)

Dana 44 Reverse; 30 Spline; 18.91 in. Length Dana 44; Reverse Rotation; Straight Axle; 30 Spline; 18.91 in. Length

with Straight Axle with 18.63in Shaft Length with Dana 44 Axle with Reverse Rotation

8.8 in. 10 Bolt; 31 Spline; 33 1/16 in. Length; 5 Lug Ford 8.8 in.; 31 Spline; 33 1/16 in. Length; 5 Lug

w/ Ring Gear 9.75"

Replaces OE Part Number(s) E3TZ-3B387-A, E3TZ-3M219-A, E4TZ-3A380-A with Dana 44 IFS Front Axle

Rear Ring Gear 9.75", Base Payload Package

31 Spline; 32 in. Length; For Use w/Ford 9 in. Differential Ford 9 in.; 31 Spline; 32 in. Length; For Use w/Ford 9 in. Differential~Ford 9 in.; Rear Axle; 31 Spline; 32 in. Length; 5x5.5 in. Bolt pattern; For Use w/ Ford 9 in. Differential

with 5-760X Universal Joint - Required with Dana 44 Axle Requires 5-760X U-Joint with 18.92in Axle with 30 Spline Teeth

Ring Gear 8.80", 12mm Stud, For Axle Stamped 824A, 826A, 828A, 852A, 852B, 854A, 854B, 862A, 862B, 862C

with 5-760X Universal Joint - Required with Dana 44 Axle Requires 5-760X U-Joint with 18.63in Axle with 30 Spline Teeth

8.8 in. 10 Bolt; 31 Spline; 31 1/16 in. Length Ford 8.8 in.; 31 Spline; 31 1/16 in. Length

Ring Gear 8.80", For Axle Stamped 824A, 824B, 824C, 824D, 824B, 824D, 826A, 826B, 826C, 826D, 828A, 828B, 828C, 828D, 852D, 852F, 854D, 854F, 862D, 862F

with Base Payload Package; 9.75 In. Ring Gear Does Include Bearing, Seal, or Hardware

8.8 in. Reverse; 31 Spline; Right Hand Side Ford 8.8 in.; Reverse; 31 Spline

8.8 in. Reverse; 31 Spline; Left Hand Side Ford 8.8 in.; Reverse; 31 Spline

8.8 in. 10 Bolt; 31 Spline; 33 3/16 in. Length Ford 8.8 in.; 31 Spline; 33 3/16 in. Length

Ring Gear 9.75", For Axle Stamped 919A, 919B, 919E, 919F, 923E, 923F, 923A

8.8 In. Ring Gear Does Include Bearing, Seal, or Hardware

For Ford 9.75"; 34 Spline; 33.75" Overall Length; 6 Lug

Dana 44 Reverse; 30 Spline; 18.91 in. Length; 5-760X U-Joint Dana 44; Reverse Rotation; Straight Axle; 30 Spline; 18.91 in. Length; 5-760X U-Joint

8.8 in. 10 Bolt; 31 Spline; 31 1/16 in. Length; 5 Lug Ford 8.8 in.; 31 Spline; 31 1/16 in. Length; 5 Lug

Rear Ring Gear 8.80"

31 Spline 8.8 In. Ring Gear Does Include Bearing, Seal, or Hardware Locking Differential Tag No. 805A, 807A, or 809P Tag No. WFL-A, B, B1, C, C1, E, or F

9.75 In. Ring Gear Does Include Bearing, Seal, or Hardware

w/ Ring Gear 8.80"

9.75 in. 12 Bolt; 7 Lug Wheel; 34 Spline; 35.375 in. Long; 1.705 in. Bearing Journal Ford 9.75 in.; 7 Lug Wheel; 34 Spline; 35.375 in. Long; 1.705 in. Bearing Journal

35 Spline; 32 in. Length; For Use w/Ford 9 in. Differential Ford 9 in.~Ford 9 in.; Rear Axle; 35 Spline; 32 in. Length; 5x5.5 in. Bolt pattern; For Use w/ Ford 9 in. Differential

9.75 in. 12 Bolt; 6 Lug Wheel; 34 Spline; 35.375 in. Long; 1.705 in. Bearing Journal Ford 9.75 in.; 6 Lug Wheel; 34 Spline; 33.75 in. Long; 1.705 in. Bearing Journal

8.8 IFS; 23 13/16 in. Long Ford 8.8 in.; Reverse; 23 13/16 in. Long

9.75 in. 12 Bolt; 1.705 in. Bearing Surface; 34 Spline; 6 x 135mm Bolt Pattern; 33 3/4 in. Long Ford 9.75 in.; Right Hand Rear Axle; 1.705 in. Bearing Surface; 34 Spline; 6 x 135mm Bolt Pattern; 33 3/4 in. Long

9.75 in. 12 Bolt; 1.705 in. Bearing Surface; 34 Spline; 6 x 135mm Bolt Pattern; 35.375 in. Long Ford 9.75 in.; 1.705 in. Bearing Surface; 34 Spline; 6 x 135mm Bolt Pattern; 35.375 in. Long~Ford 9.75 in.; Left Hand Rear Axle; 1.705 in. Bearing Surface; 34 Spline; 6 x 135mm Bolt Pattern; 35.375 in. Long

For Ford 9.75"; 35 Spline; With E-Locker; Heavy Duty Payload Package (627)

Ring Gear 9.75", For Axle Stamped 903A, 905A, 905B, 933P, 941A, 941B

9.75 in. Axle; 34 Spline; 1.620 in. Bearing Surface; 33 1/2 in. Length Ford 9.75 in.; 34 Spline; 1.620 in. Bearing Surface; 33 1/2 in. Length

9.75 in. 12 Bolt; 34 Spline; 1.705 in. Bearing Surface; 33-1/2 in. Length Ford 9.75 in.; 34 Spline; 1.705 in. Bearing Surface; 33-1/2 in. Length

9.75 in. 12 Bolt; 34 Spline; 1.705 in. Bearing Surface; 31-13/16 in. Length; 1541H Alloy Double drilled~Ford 9.75 in.; 34 Spline; 1.705 in. Bearing Surface; 31-13/16 in. Length; 1541H Alloy

9.75 in. 12 Bolt; 7 Lug Wheel; 34 Spline; 33.75 in. Long; 1.705 in. Bearing Journal Ford 9.75 in.; 7 Lug Wheel; 34 Spline; 33.75 in. Long; 1.705 in. Bearing Journal

9.75 in. 12 Bolt; 34 Spline; 1.705 in. Bearing Surface; 31-13/16 in. Length; 1541H Alloy Ford 9.75 in.; 34 Spline; 1.705 in. Bearing Surface; 31-13/16 in. Length; 1541H Alloy

9.75 in. Axle; 34 Spline; 1.620 Bearing Surface; 31 13/16 in. Length Ford 9.75 in.; 34 Spline; 1.620 Bearing Surface; 31 13/16 in. Length

9.75 in. 12 Bolt; 34 Spline; 1.705 in. Bearing Surface; 33 1/2 in. Length Ford 9.75 in.; 34 Spline; 1.705 in. Bearing Surface; 33 1/2 in. Length

Dana 44 Reverse; 30 Spline; 33.91 in. Length Dana 44; Reverse Rotation; Straight Axle; 30 Spline; 33.91 in. Length

9.75 in. 12 Bolt; 6 Lug Wheel; 34 Spline; 33.75 in. Long; 1.705 in. Bearing Journal Ford 9.75 in.; 6 Lug Wheel; 34 Spline; 33.75 in. Long; 1.705 in. Bearing Journal

8.8 in. 10 Bolt; C/Clip; 31 Spline; 5 Lug; 35 5/16 in. Long Ford 8.8 in.; C/Clip; 31 Spline; 5 Lug; 35 5/16 in. Long

with Straight Axle with 34.75in Shaft Length with Dana 44 Axle with Reverse Rotation

30 Spline; 33.9 in. Length Dana 44; Reverse Rotation; Straight Axle; 30 Spline; 33.9 in. Length

Dana 44 Reverse; 30 Spline; Axle 25.6 in. Length Dana 44; IFS; 30 Spline; Axle 25.6 in. Length

8.8 in. 10 Bolt; C/Clip; 31 Spline; 5 Lug; 33.75 in. Long Ford 8.8 in.; C/Clip; 31 Spline; 5 Lug; 33.75 in. Long

9 In. Ring Gear Axle Code WDM-CC1, CF, CF1, CL, DB, DB1, or DD Axle Code WFE-AV or WFE-BE Does Include Bearing, Seal, or Hardware

w/ Ring Gear 9.75"

8.8 in. Reverse; 38.25 in. Long; 35 Spline Ford 9.75 in.; 38.25 in. Long; 35 Spline

9.75 in. 12 Bolt; 35 Spline; 36.625 in. Long Ford 9.75 in.; 35 Spline; 36.625 in. Long

10.25 in. 12 Bolt; 35 Spline; 33.62 in. Length Ford 10.5 in.; 35 Spline; 33.62 in. Length

with 5-760X Universal Joint - Required with Dana 44 Axle Requires 5-760X U-Joint with 30 Spline Teeth with 33.91in Axle

with 5-760X Universal Joint - Required with Dana 44 Axle Requires 5-760X U-Joint with 30 Spline Teeth with 34.75in Axle

Dana 44 Reverse; 30 Spline; Axle 34.7 in. Length Dana 44; IFS; 30 Spline; Axle 34.7 in. Length

8.8 in. Reverse; 31 Spline; Right Hand Side Ford 8.8 in.; Reverse; 31 Spline

Dana 44 Reverse IFS; 30 Spline; Axle 26.9 in. Length Dana 44; IFS; 30 Spline; Axle 26.9 in. Length

8.8 in. Reverse; 31 Spline; Left Hand Side Ford 8.8 in.; Reverse; 31 Spline

Dana 44 Reverse; 30 Spline; Axle 43.6 in. Length Dana 44; Reverse Rotation; Straight Axle; 30 Spline; Axle 43.6 in. Length

Dana 44 Reverse; 30 Spline; Axle 28.6 in. Length Dana 44; Reverse Rotation; Straight Axle; 30 Spline; Axle 28.6 in. Length

It fits vehicles without axle identification code S871H and without axle identification code S869H.

For vehicles with the rear axle.

It comes with a 6-month warranty.

It comes with a 6-month warranty.

For vehicles with the rear axle.

It comes with a 6-month warranty.

It includes a 6-month warranty.

It comes with a 6-month warranty.

It comes with a 6-month warranty.

Mileage: 99,000 miles

It comes with a 6-month warranty.

For vehicles with 4 doors, 4-wheel drive, the 5.4L engine, and a 4-speed automatic transmission.

Mileage: 297,000 miles

It comes with a 6-month warranty.

with 9.00in Diameter Ring Gear with Axle Stamped WDM-CC1/CF/CF1/CL/DB/DB1/DD

Mileage: 77,000 miles

Mileage: 117,000 miles

Mileage: 55,000 miles

Mileage: 93,000 miles

Mileage: 77,000 miles

For Ford 9"; 31.8125" Overall Length; 5 x 5.5 Lug Pattern; 31 Spline

with 2 Snap Ring Grooves at Shaft End with 9.72in Shaft Length with Dana 44 Front Axle

Replaces OE Part Number(s) E1TZ-3B387-A with Dana 44 IFS Axle

This CV axle shaft is for 4x4 models.

Mileage: 2,000 miles

For 4x4 vehicles with the 3.5L engine. This part may come with or without underbody corrosion protection.

Mileage: 9,000 miles

Dana 44 Reverse; w/Drum Brakes; 19 Spline; 9.72 in. Length Dana 44; Reverse Rotation; Straight Axle; w/Drum Brakes; 19 Spline; 9.72 in. Length~Dana 44 Front w/Drum Brakes; Outer Stub Axle; 4340 Chromoly; 19 Spline; 9.72 in. Length

Mileage: 67,000 miles

Mileage: 12,000 miles

Mileage: 12,000 miles

Requires 5-760X with 9.72in Shaft Length