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Home 2025 GMC Sierra 1500 Denali Ultimate 3.0L L6 - Diesel Floor

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2025 GMC Sierra 1500

Denali Ultimate 3.0L L6 - Diesel

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Floor for 2025 GMC Sierra 1500

Diagram 1 1. Front Floor Pan Diagram 2 2. Cowl Grille Diagram 3 3. Pre-converter Gasket Diagram 4 4. Pre-converter Diagram 5 5. Headrest, Outer Diagram 6 6. Floor Extension Diagram 7 7. Floor Extension Diagram 8 8. Front Diagram 9 9. Floor Extension Diagram 10 10. Box Assembly Diagram 11 11. Truck Bed Panel Diagram 12 12. Floor Extension Diagram 13 13. Floor Extension Diagram 14 14. Outer Diagram 15 15. Floor Extension Diagram 16 16. Floor Extension Diagram 17 17. Floor Extension Diagram 18 18. Center front Diagram 19 19. Center front Diagram 20 20. Floor Pan Heat Shield Diagram 21 21. Floor Pan Heat Shield 22. Floor Pan
Floor for 2025 GMC Sierra 1500 #3
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No.
Part # / Description / Price
Price
1
40009609 - Exhaust: Pre-converter for GM Image
Converter 1
40009609
GM GM
Description: Single exhaust, 2023-26. 3.0L diesel dual exhaust 2023-26.
MSRP $2,096.45 CAD
$1,703.38 CAD
MSRP $2,096.45 CAD
$1,703.38 CAD
2
84763642 - Exhaust: Pre-converter Gasket for GM Image
Converter & Pipe Gasket
84763642
GM GM
Description: Single exhaust, 2023-26. Dual exhaust, 2020-22. 3.0L diesel dual exhaust 2025-26. 3.0L diesel single exhaust 2025-26.
MSRP $16.20 CAD
$13.18 CAD
MSRP $16.20 CAD
$13.18 CAD
3
86799823 - Exhaust: Pre-converter Clamp for GM Image
Intermediate Pipe Clamp
86799823
GM GM
Description: Single exhaust, 2023-26. Dual exhaust, 2020-22. 3.0L diesel dual exhaust 2025-26.
MSRP $76.74 CAD
$62.40 CAD
MSRP $76.74 CAD
$62.40 CAD
4
55514990 - Exhaust: Egr Pipe for GM Image
Inlet Pipe
55514990
GM GM
Description: Silverado, sierra. 3.0l diesel. Single exhaust, 2023-26. Low pressure system. To cooler. Yukon. 3.0l diesel. 3.0L diesel low pressure. Inlet pipe.
MSRP $84.80 CAD
$62.30 CAD
MSRP $84.80 CAD
$62.30 CAD
6
85764709 - Exhaust: Converter & Pipe for GM Image
Converter 1
85764709
GM GM
Description: Single exhaust, 2023-26. 3.0L diesel dual exhaust 2023-26.
MSRP $651.82 CAD
$529.61 CAD
MSRP $651.82 CAD
$529.61 CAD
10
23469850 - Exhaust: Muffler & Pipe Insulator for GM Image
Muffler & Pipe Insulator
23469850
GM GM
Description: 2.7L, front. 3.6L, 2017-22, front. 2.8 turbo diesel, rear section. Single exhaust, 2023-26, front. Dual exhaust, 2020-22, front. 4.3L, front. 3.0L diesel dual exhaust 2025-26. 3 hole. 3.0L diesel single exhaust 2025-26. 3 hole. 5.3 & 6.2L dual exhaust. 3 hole.
MSRP $49.41 CAD
$40.18 CAD
MSRP $49.41 CAD
$40.18 CAD
12
15092802 - Exhaust: Muffler & Pipe Insulator for GM Image
Muffler & Pipe Insulator
15092802
GM GM
MSRP $35.01 CAD
$25.73 CAD
MSRP $35.01 CAD
$25.73 CAD
14
86788519 - Exhaust: Heat Shield for GM Image
Heat Shield
86788519
GM GM
Description: 5.3L, center, front. Single exhaust, 2023-26, front, center. 5.3 & 6.2L dual exhaust. center front. 3.0L diesel dual exhaust 2025-26. front.
MSRP $73.89 CAD
$60.04 CAD
MSRP $73.89 CAD
$60.04 CAD
15
84856597 - Exhaust: Heat Shield for GM Image
Heat Shield
84856597
GM GM
Description: 3.0L diesel, 2021-24, center, rear. 5.3L, center, rear. Single exhaust, 2023-26, center. 3.0L diesel, center rear, Escalade. 6.2L supercharged, center rear, Escalade. 3.0L diesel dual exhaust 2025-26. center. 5.3 & 6.2L dual exhaust. center rear.
MSRP $38.96 CAD
$31.64 CAD
MSRP $38.96 CAD
$31.64 CAD
16
84687184 - Exhaust: Heat Shield for GM Image
Heat Shield
84687184
GM GM
Description: 3.0L diesel, 2021-24, rear. 5.3L, rear. Single exhaust, 2023-26, rear. 3.0L diesel, rear, Escalade. 6.2L supercharged, rear, Escalade. 3.0L diesel dual exhaust 2025-26. rear. 5.3 & 6.2L dual exhaust. rear.
MSRP $46.90 CAD
$38.11 CAD
MSRP $46.90 CAD
$38.11 CAD
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.