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Description
1973-1987 GM K Series Cummins Conversion Kit GF-GMK3-KITOur 73 87 GM Truck K Series Cummins Kit is comprised of many of the items needed for your Cummins diesel engine conversion. It includes a transmission adapter and flexplate to mate a TH400, 700R4, or 4L80E transmission to a 6BT Cummins engine.? Our Cummins bolt in 2" drop engine crossmember (or K Member) allows for proper engine placement and provides chassis strength to accommodate the added torque of the Cummins! Fits Truck Model Years: 73 87. Fits
Our 73-87 GM Truck K Series Cummins Kit is comprised of many of the items needed for your Cummins diesel engine conversion. It includes a transmission adapter and flexplate to mate a TH400, 700R4, or 4L80E transmission to a 6BT Cummins engine.? Our Cummins bolt-in 2" drop engine crossmember (or K Member) allows for proper engine placement and provides chassis strength to accommodate the added torque of the Cummins!
- Fits Truck Model Years: 73-87.
- Fits Engine Years: 89-02.
- Fits Transmissions: Chevrolet TH400, 700R4, 4L80E.
- This kit is comprised of some of our most popular items for your 73-87 Chevy K Series Cummins conversion.
- The Kit includes:
- GF-C-S - Adapter and Flexplate-? The 5.9 Cummins to Chevy Adapter Plate and Flexplate Kit accommodates 2002 and earlier Cummins 6BT engines bolting to a Chevy automatic transmission such as a TH400, 700R4, 4L80E, or similar transmission.
- >GF-GMDC - Cummins 6BT to Chevy Drop Crossmember-? This 2" drop crossmember allows proper engine placement and often eliminates the need for a lift kit when installing a Cummins 6BT into a 73-87 Chevy 4WD truck.
- GF-C-MM - Motor Mount- When installing a Cummins 6BT into your 1973-1987 Chevy pickup, this conversion motor mount allows for proper placement of the engine directly to the OEM frame mount isolators. When used in conjunction with a G Force GF-GMDC Drop Crossmember on 4WD models, you can retain OEM drivetrain height. Without our GF-GMDC Drop Crossmember a vehicle body lift is required.
- GF-BoltKitAdapter - Adapter Bolt Kit,? Premium grade bellhousing adapter bolt kits to make mounting the adapter plate to engine as simple as possible. Set of 9 bolts.
- GF-BoltKitFP?- Flexplate Bolt Kit, -Flexplate bolts for mounting your Cummins 6BT to a GM Bellhousing. 12mm x 1.25. 25mm underhead length. Set of 8 bolts
- GF-BoltKitStarter - Starter Bolt Kit - Steel, zinc plated bolts constructed to strict engineering quality standards and serve as direct replacement bolts for replacing the Cummins 6BT starter. Set of 4 bolts with 3 washers
Note: This kit ships in two boxes.
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1975-1986 | Chevrolet | K10 Suburban | |
| 1975-1976 | GMC | K15 | |
| 1975-1986 | Chevrolet | K20 | |
| 1973-1974 | Chevrolet | K20 Pickup | |
| 1975-1986 | Chevrolet | K20 Suburban | |
| 1975-1978 | GMC | K25 | |
| 1973-1974 | GMC | K25/K2500 Pickup | |
| 1979-1984 | GMC | K2500 | |
| 1977-1986 | Chevrolet | K30 | |
| 1973-1974 | Chevrolet | K30 Pickup | |
| 1977-1978 | GMC | K35 | |
| 1979-1984 | GMC | K3500 | |
| 1987 | Chevrolet | V10 | |
| 1987-1988 | Chevrolet | V10 Suburban | |
| 1989-1991 | Chevrolet | V1500 Suburban | |
| 1987 | Chevrolet | V20 | |
| 1987-1988 | Chevrolet | V20 Suburban | |
| 1989-1991 | Chevrolet | V2500 Suburban | |
| 1987 | Chevrolet | V30 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.8 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
⭐⭐⭐⭐⭐ Perfect fit and clears well
Size: H309 (12")
I purchased the BOSCH H309 OE Specialty rear wiper blade as a replacement, and it fit perfectly. Installation was quick and easy, and it snapped right into place without any issues.
The wiping performance is excellent. It clears the rear window smoothly and evenly, with no streaking or skipping. Even in heavier rain, it does a great job keeping the glass clean and clear.
The build quality feels solid, which is what I expect from Bosch. After regular use, it’s still performing well and hasn’t shown any signs of wear.
Overall, this is a high-quality rear wiper blade that works exactly as intended. Easy to install, great performance, and reliable quality. I would definitely buy it again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 15, 2025
★★★★★ 5
Great Pick
Size: H326 (13")
Fits perfect for my 2006 Hyundai Santa Fe. Doesn’t leave streaks and doesn’t make much noise compared to my old one. Had an awful storm and it kept up well and was shockingly durable. It offers good coverage on the rear windshield and is clear enough that I can still see.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Easy Install, Clear Wipe, So Far So Good
Size: H354 (14")
I put this on a 2016 Honda Pilot, and installation was quick and simple. It took me about a minute to remove the old blade and snap the new one into place. Your time may vary depending on how familiar you are with your rear wiper setup, but if you’ve swapped one before, this should be straightforward.
It’s only been on for a couple of weeks, but we’ve had a good mix of rain and car washes during that time, and it’s been wiping clean with no streaks. No squeaking, no smearing.
Shipping was on time, packaging was standard, and the price felt fair compared to other options I looked at. I know some Honda forums recommend just replacing the rubber inserts and sticking with OEM parts, but I didn’t know what brand was on the vehicle before. I ended up choosing Bosch mostly based on price and availability. For a rear wiper, it felt like a low-risk upgrade, and so far, I have no complaints.
The only thing I’d point out is that these blades come with a 30-day warranty, which doesn’t leave a lot of room to see how they hold up over time. That said, after the first couple of weeks, everything looks and performs just fine.
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Reviewed in the United States on August 7, 2025
★★★★★ 4
Fits my Honda Fit 2012 rear wiper
Size: H354 (14"), Size: H354 (14")
Easy to install and fits my Honda Fit 2012 rear wiper.
The wiper has a low profile but looks like a nice beefy wiper.
It wipes quite and smooth.
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Reviewed in the United States on October 19, 2025
★★★★★ 5
Fit passenger side on our 2023Subaru Outback.
Size: H410 (16")
Amazon said it did not fit our Subaru, but it is exactly what was needed for the passenger side. Easy to replace once you correctly determine which wiper arm your car has.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
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